2015 silverado fuel pressure test forum No exhaust restriction, no vacuum leaks, MAF reading is correct, receiving proper fuel pressure 43 PSI, injector resistance was 14 ohms on all but one injector at 13. Over the week, I averaged around 20 miles per gallon, and was able to far exceed that during my fuel economy test run. The typical repair costs for addressing a P219B code on a 2015 Chevrolet Silverado can vary depending on the specific YES! so far the rebuilt fuel pressure regulator does work. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. The control module also uses this fuel tank pressure signal to determine atmospheric pressure for use in the engine-off small leak test, DTC P0442. i have to pump gas at a very slow rate. P018B 2015 Chevrolet Silverado Code - Fuel Pressure Sensor 'B' Circuit Range/Performance Code P0089 2015 Chevrolet Silverado Description. Her funds (and mine) are pretty limited right now. ; I mentioned earlier that I I use a 1987 s10 2. I took off the tbi carb off and cleaned it and did some mods. 3 179k miles 2000 Silverado 4. 16 posts · Joined 2017 Add to quote; Only show this user #1 · Dec 19, 2021. this causes a poor/hard cold start. I cycle the key. When your 3rd Gen Chevy Silverado’s engine is misbehaving, fluctuating fuel pressure readings between 22-50 psi can be a telling sign of a faulty fuel pressure regulator, and it’s essential to interpret these readings accurately to identify the root cause of the issue. Then it all starts again. 12 posts · Joined 2013 Add to quote; Only show this user #1 · Feb 11, 2014. The diaphragm in the fuel pressure regulator cracked/tore and was allowing fuel to pour into the intake manifold. 3 4x4. does anyone have any experience with fuel pressure regulators and fuel pressure. Jump to Latest 3. Starts and idles fine. i use a 30 or 50 psi pressure gauge a hose barb. I have added so much In a previous video https://youtu. Jump to Latest 2. . 11 posts · Joined 2020 Add to quote; Only show this user #1 · Jun 27, 3. Right now, it is averaging 15-16 mpg for highway miles. I have a 2015. 3 with 291,000 miles. The Diagnostic Trouble Code (DTC) will be set if the controller is unable to re-zero the fuel tank pressure sensor voltage Where is the fuel pressure regulator located on a GMT-900 SIlverado (2008 specificially). Fuel Pressure Test. I've been having some symptoms for the past few months that I would like to Hello guys, I have an issue with my fuel pressure causing a starting problem. Key notes:-The plug is the wire of Silverado, low fuel pressure? Post by Truckedup » Wed May 02, 2018 10:37 pm. He told me that starting with the 2014's GM went to a high pressure fuel pump, and that when you go to start the vehicle it has a series of "checks" it has to go through in order to fire. 3L ECOTEC3 V8 in the 2015 Chevrolet My 01 silverado 2500hd just cut out while driving downhill mtn pass. Customer. Otherwise like the Hello guys, I have an issue with my fuel pressure causing a starting problem. Inspect the fuel filter for clogs and replace if necessary. If greater than the specified range, test the 5-volt reference circuit for a short to voltage, If the circuit tests normal, replace the ECM If you test with some other setup, you may not receive the information you want and need. '03 and later, the FPR became part of the fuel pump in the fuel tank, and I don't think it moved from there, but I don't know about newer engines, which either use a high-pressure fuel pump for direct injection, and I think just before those engines, the ecm could command different fuel pressures, but IDK how those setups work. Diagnose the fuel pressure control system using a scan tool; Inspect for fuel leaks and test the fuel pressure regulator; Replace the faulty component (e. Model 2014-14 silverado ld, sierra ld, 2015 escalade, esv, suburban, tahoe, yukon, yukon xl, corvette. Im assuming there is a way to get the fuel pressure on a 2004 Colorado I5 3. I have to remove the radiator shroud to check the fan clutch- I am assuming it's burned out, resulting in the fan not activating under 45 mph and causing the The truck had a P0300 and P050D code. Fuel pressure is within spec at 43psi and 60 with key on. It took about Testing fuel pressure on 2003 Sierra 1500. It will stay there until you hit a bump and everything comes back and goes back to normal. 10s/diablo intune MBRP SS catback/RC 1. The truck runs good now and i have driven it twice with no issues. What is the Cost to Diagnose the Code? Labor: 1. Save Share Like. I'm afraid to drive it like this. 2. Installing E85 sensor Thanks . Save Share Reply Quote Like. Jump to Latest Follow 551 views Many reports about the FASS fuel pressure being too high. 98K1500 Discussion starter. The pump fuel pump was replaced at one time, so how would I test to elminate the pump from the equation, or not? And would leaky fuel pressure test. Test the fuel pump for proper operation and replace if it is faulty. 2015 Chevrolet 2500HD Car Repair Forum; Find a Shop; For Shop Owners ; Engine-Codes - Chevrolet - P0090 2015 Chevrolet Silverado P0090 2015 Chevrolet Silverado Code - Fuel Pressure Regulator Control Circuit - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. But, as with many truck options, once you start checking I guess the 2017's system is a lot more advanced than my 2002, where there's just - a fuel pump. 21 posts · Joined 2020 Add to quote; Only show this user #1 · Aug 10, 2020. And see if the fuel pressure instantly comes up to 26 or 27 psi dead headed. I do a smoke 7. My wife has had 4 incidents where the gas gauge goes from above 1/2 tank down to empty which brings on the low fuel warning, then goes back to the correct reading. 3s came standard with the flex fuel sensor. Diagnose the root cause of the low fuel rail pressure by performing a fuel system pressure test. Jrp79 Discussion starter. 5 psi is the commanded pressure when running it doesnt change cold, hot, medicore, but it will change depedning on throttle position. Turn the key off then key on but no engine start, I can hear the 2 second fuel prime and the PSI shoots up to 55 PSI and engine still has to turn over for 3 or 4 seconds without gas The Diagnostic Trouble Code (DTC) will be set when the fuel pump driver control module detects a difference of ± 60 kPa (8. L83 How to Relieve Low Side Fuel Pressure. 5 PSI) at 300 kPa (43. 45 posts · Joined 2014 Add to quote; Only show this user #1 · Oct 18, 2014. 5 other than the dealer. If you want more power, there’s a 6. 6L80 trans. Save Share What is the Cost to Diagnose the Code? Labor: 1. I asked my local garage to check it The filter is of course filters low pressure fuel into the high pressure pump, and 90% of the fuel that gets filters gets recirculated back into the tank. live data stream shows fuel fluctuating pressure from 43 psi to 44 psi while Hey guys, so I have a 09 Silverado 1500 that I just replaced the fuel pump because I was having problems and getting low fuel pressure (original post Loss of power) After putting it in and checking the fuel pressure I was getting the correct readings. 2010 silverado 5. I replaced it and the screen but the pressure gauge still reads low and the check engine light for the same code came back on during the first drive after replacing the sensor. One of the mods was putting in a new jet fuel pressure regulator, so I can adjust the pressure if I need to. L. I replaced the fuel filter with the same one a racor R90s. Within the last 500 miles, my truck has thrown the code P050D a handful of times only on a cold start and a P0300 also. I have a 95 silverado tbi 5. I assume this was continued through 2019. There is fuel odor and increased evaporative emissions due to high pressure fuel pump leaking and engine fails to start or when driven has less power due to insufficient fuel pressure. During injector balance test, the pressure sweep is from 61 psi to 41 psi on all injectors. See attached on P0440. The factory ones are not adjustable. dead head is a short pressure test to see if the pump builds pressure instantly to the This gives you a general idea of where the fuel tank pressure sensor location is from the 2007-2014 GMC or Chevrolet Truck. There are several other conditions that can cause this code. To diagnose the P228D 2015 Chevrolet Silverado code, it typically requires 1. I would find out what the rail pressure should be during engine cranking and idle and see what yours reads compared to spec. Attach the fuel pressure gauge to fuel rail, turn key on and take my reading. When the system is sealed, expect no more than 0. Becuase you could be chasing a burnt valve. 8K views 2 replies 2 participants last post by Mossyoakglock Jul 10, 2015. Turn the engine off, but key on and pressure gradually drops all the way to 18 PSI over 20 minutes. 2L V8 available for the Silverado making 420 horsepower and 460 lb-ft of torque. Cost to Fix P219B 2015 Chevrolet Silverado. But I have 191,000 miles on mine, and yours is 15 years newer. Vaccum test was at a steady 20 in green zone. 4. 11836 posts · Joined 2015 Add to quote ; Only show this user I did do a fuel pressure test and a vaccum gauge test 52 psi for pressure test and I have a multimeter, ohm meter I could use. Fuel Pressure test gauge - extending hose. Nevertheless, the 5. i located the smell of gas to be worst right out the tail pipe. 6 posts · Joined 2014 Add to quote; Only show this user #3 · Jun 28, 2014. nealinator. 0 hour of labor. Key on/engine off after prime it sits at 62 and holds steady for 10 mins after ignition off. Runs fine now, but is there anything else that needs to Still no luck. Truck did the rough idle thing for a minute with no CEL. Below them, the predominant dials of speedometer and tachometer flank a central LCD screen which has various other information that can be pulled The typical repair cost for addressing a Fuel Pressure Sensor 'B' Circuit Low code in a 2015 Chevrolet Silverado can range from $150 to $400, including parts and labor. Holds As long as your not seeing supply drop out and your not laying a ton of fuel to it, it's most likely a bad hpfp. strutaeng. ​be/53KDnvnIqF4 The test starts at 19:50 in the ROAD TEST 2015 Chevrolet Silverado By Patrick Morgan - August 12, Critical information such as voltage and oil pressure are in a top row of four smaller dials that also include fuel level and coolant temperature. I’ve checked every inch of the fuel rails and don’t see anything on the lines in the frame rails. Disconnect the component: Fuel Return Hose @ Q18B Fuel Pressure Regulator 2 & Plug the Since TBI's are a pain to check fuel pressure without some kind of special tool. Trying to pinpoint this occasional long cranking hot or cold. Start and run the engine. Show Printable Version; 02-03-2021 #1. the safety on the pump keeps cutting off when the gas backs up the filler neck every three seconds. The fuel pressure should not drop off during acceleration, cruise or hard cornering. This is the correct test result and it lets you know that the fuel pump is OK on your V8 Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL). hey guys i get questions all the time about fuel pressure issues on gm trucks this is a video showing how to test fuel pressure on the gm trucks including th Test the Fuel Pressure: Connect a fuel pressure gauge to your Silverado’s fuel rail. Follow along to see what a waste of money PARTS This means that the fuel pressure sensor, which is responsible for monitoring the fuel pressure in the fuel system, is detecting a signal that is outside of the expected range. So I have the infamous low fuel pressure on my 2000 GMC Sierra Z71 5. In 2015 it became an option. I have this in my 2010 Silverado and i delete the FPCM run -8 an hose with a magnafuel regulator with a -8 an hose for return. The Engine Control Module (ECM) uses the Fuel Rail Pressure (FRP) sensor to constantly adjust the high-pressure fuel pump's feed rate so that the ideal pressure is permanently maintained in the high-pressure section (between the high-pressure fuel pump and the injectors) by means of closed-loop control. The 2008 5. 2001 4. 14 posts · Joined 2018 Add to quote; Only show this user #1 · Aug 10, 2018. And no other leaks detected. running its average 61PSI. I'm trying to upgrade my fuel system, I'm going turbo on my 5. Is this Just for the hell of it I decided to test the fuel pressure. But I do hope my 2015 2500HD gets some better mpg after things settle down. 3 and 6. Replace the component that failed the test: Q17 Fuel Injector; If the procedure/test passes ; Ignition/Vehicle » Off ; Note: In order to perform step 5–8, the fuel temperature must be greater than 10°C (50°F) or misdiagnosis may occur. it is cold enough for snow to stay. My Chevy is a 5 speed manual tranny and so far it only happens while idling. 5 psi when running if the engine is an LMG or LC9, a flex fuel type. It lets excess press go back recovery line (? cant' remember 80psi) Many tests completed and still doesn't leak after return / re-seating But i thought so. Then when you open the throttle to accelerate, the engine vacuum drops and the regulator Looking for some input. Jump to Latest 11K views 8 replies 5 participants last post by MickeyF Mar 12, 2023. i pressure checked the fuel pressure, and with the key on it went up to almost 60psi, and with the engine running it stayed the same, didnt flick around or anything. 350, max 4. Thank you Davester, I went ahead and checked compression for them all; each within 25% of max Cyl 1: 130 | Cyl 2: 160 PSI Cyl 3: 175 | Cyl 4: 170 Cyl 5: 150 | Cyl 6: 135 Cyl 7: 125 | Cyl 8: 125 I also went ahead and checked all the injector inputs with Noid Light; all were good. I cant fill it with any gas. compression test 2. How long do they last, well it depends on how clean the fuel you buy is. , fuel pressure regulator, fuel filter) Test the fuel pump's functionality and replace if necessary Select document search button below. jpg. 9 ohms. The mechanic said there was fuel injector performance issues and a fuel pump malfunction. To diagnose the P0090 2015 Chevrolet Silverado code, it typically requires 1. 3- Upon starting the engine, the fuel pressure peaks to 58 and then drops to 52 while idling. The Diagnostic Trouble Code (DTC) will be set if the controller is unable to re-zero the fuel tank pressure sensor voltage I checked the fuel pressure at the fuel rail on the right hand side of the engine (5. 4 posts · Joined 2016 Add to quote; Only show this user #1 · Nov 26, 2016. She said we just did this same thing to my dad truck at 38k miles. Sort by Oldest first Oldest first Newest first Most reactions. Jump to Latest 40K views 23 replies 7 participants last post by Lund18 Jun 26, 2023. 4 posts · Joined 2024 Add to quote; Only show this user #1 · Aug 14, 2024. This all started after replacing intake gasket,valley pan gasket, knock sensors,oil pressure sensor,cam sensor. To diagnose the P00CA 2015 Chevrolet Silverado code, it typically requires 1. Maybe your high pressure fuel pump is failing Put the fuel pressure gauge on it and I've discovered that the fuel pressure is at zero, drops to zero immediately after shut off and basically only runs about 47psi when I am planning on buying a fuel pressure test guage to periodically check the fuel pressure on my rig. My custom 2014 Silverado---> CLICK Retro-mod 1963 Scout---> CLICK "A well balanced setup will drive so nice and you 3 tests youll need to do 1. Jump to Latest 5. MountainMan9845 Discussion starter. Jump to Latest 21K views 7 replies 4 participants last post by DrunkenWizard Jun 18, 2014. Now drive the truck hard-- with several wide open runs-- if there is any fuel in the bottle The control module also uses this fuel tank pressure signal to determine atmospheric pressure for use in the engine-off small leak test, DTC P0442. Truck sat for about 13-14 hours. 0. When I first start the truck all the injectors are in I hooked the fuel pressure test kit back up, and here is the result: 4th prime after start: (key to run - engine off) 2PSI!! Conclusion: the fuel pressure is very inconsistent when priming. No codes. 3L ECOTEC3 is also a fuel efficient engine. How can I diagnose the OBDII code P0172 on my 2015 Chevrolet Silverado? What is the Cost to Diagnose the Code? Labor: 1. If it doesent shoot all over the place the gauge is good. 3L, 6L80e, 4X4, HD Towing pkg If you can't fix it with a hammer, it is an Fuel pressure. 3 bored and stroked to 408. I have done everything short of replacing the fuel pump so that The control module also uses this fuel tank pressure signal to determine atmospheric pressure for use in the engine-off small leak test, DTC P0442. I have an 09 silverado 5. It takes about another 2 minuets to drop to zero. Now, I figure it's either the fuel pressure regulator or the fuel pump itself 2015 2500 HD - Fuel Pump Issues. Stop pulling vacuum on the system at approximately 3 volts of the fuel tank pressure sensor. 091, min . The fuel tank pressure sensor How to Fix P2635 2015 Chevrolet Silverado. The Diagnostic Trouble Code (DTC) will be set if the fuel tank pressure sensor voltage is more than 4. Chevy Mechanic: Lou Fuel pressure test fitting size? Jump to Latest 3. The spark plugs had signs of running lean for a little while. 3L for a few days now. Not sure about the LY5 and such. If a faulty fuel injector is found, replace the appropriate fuel injector. The ECM did not have But make sure you have the right spec for the fuel pressure on your specific model. pressure rises to 80 psi and 70 psi. 60 posts · Joined 2022 Add to quote; Only show this We had a valve spring failure on a 2015 GMC Sierra 1500 with the 6. 0 in it now. There were no visual fuel leaks until this weekend when i witnessed a very small run coming from the top of the tank. I'm not as familiar with your 2015 fuel system, but I expect it still has a pump in the tank and that the fuel system still operates under pressure, so I would check the manuals and see how one should test the fuel delivery system. Go. 9 fuel filter hooked in at the fuel filter connection as that has a 5/16 hose barb on one side. Since it was not the filterI wanted to make sure before I replaced the fuel pump or any other item needlessly I broke out my fuel pressure test gauge. i How to Fix P00C9 2015 Chevrolet Silverado. I was able to do a fuel pressure test and see that I'm holding steady at 50 psi while the truck is Forums. Lsxtrucker Discussion starter. Check the fuel injectors for clogs or malfunctions. super6ute. Reactions: Casey92. Replacing the fuel filter on your 2015 Chevy Silverado is a crucial maintenance step that can help keep your engine running smoothly. It cost 100$ and was extremely rare as an option. fuel pressure test After you do those three things, youll know the heart is good. 8 fuel filter that has a oring tube fitting on one end and a 3/8 hose fitting on the other. My first fear was a failing fuel pump but I have no way to verify that. Before using this signal as an atmospheric reference, it must first be re-zeroed. 3. Save Share The test is called "Bottle Test"-- here is some info--On the drivers side fuel rail-- to the back and next to the Turbo, you will see a "U" shaped 3/8 hose-- remove the hose from the fuel rail-- and plug the hose. I have 50 PSI running. Driving without p/r vacuum line on - Nearly constant pressure of 53 psi at all power and speed settings 5. 0, STS Failed. Test the fuel injector return flow, refer to Fuel Injector Diagnosis. 0L extended cab, cab&chassis flatbed, How to Fix P228C 2015 Chevrolet Silverado. Failing fuel pump or pressure regulator has been front and center on my mind, but for whatever reason my truck doesn't have the schrader valve test port on the fuel rail. . I would turn it on and it would go to about 62psi and running would be 55psi and I thought this fixed my problem. J. fuel pressure on my 99 5. Have not had it act up One thing that is common with these is that the high pressure pumps leak fuel into the crankcase and you get the listed fuel trims values but they usually spike to -30%. The ECM uses this What is the Cost to Diagnose the Code? Labor: 1. AFR is dead steady on the dyno (. Diagnose the issue using a scan tool to confirm the P2635 code and check fuel pressure readings. 3 The P0454 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado relates to the Fuel Tank Pressure Sensor Circuit being intermittent. About ten miles down the road, Search Google for codes P0172 and P0175 and they will send you all over the place for causes - clogged air filter, sticking fuel injectors, leaking fuel injectors, even too much fuel pressure. From there you can then get into sensors, intake gaskets, throttle body etc. It can be replaced by itself by at this it smells like fuel pretty good around the truck, i thought maybe leaky injector/s or bad regulator or something. It has never had starting or running issues before since i have owned it over the past 9 years. My 2019 gmc Denali 3500 hd lost power and had fuel pressure regulator and filter replaced. Diagnose the issue by using a scan tool to read the code and perform a visual inspection of the fuel rail pressure sensor and wiring. RobPaul Discussion starter. When we tried to start it We had a valve spring failure on a I suppose you could fashion a test port that plugs into the fuel line at the fuel rail, so you disconnect the fuel rail, and plug this test port into the fuel line going to the fuel tank, and check the pressure turning the key on, to verify that the fuel pump is or is not getting up to around 60 psi, where it should be. Diagnose the issue by using a scan tool to read the DTC and perform a fuel pressure test to determine the actual fuel pressure. the two flat disks held together by spring "just can't not work The 5. ‘09 Silverado 1500 5. Hey guys, looking for some help with my 2018 Silverado 2500 HD. Fuel Pressure is 0 after sitting overnight, will prime to about 20psi, then startup and head to about 62psi, then settle down to 43ish once normal/low idle kicks in. I just did the test on the pressure regulator and it held pressure. I was able to do a fuel pressure test and see that I'm holding steady at 50 psi while the truck is running. 3K views 4 replies 4 participants last post by Closer_2001 Dec 12, 2016. Truck starts up on first turn of key but had a miss or shudder. Expect 1. Test the fuel rail pressure sensor using a multimeter to check for proper voltage and resistance. Start by analyzing live data to understand normal fluctuations based on engine load and operating The fuel pressure tester should give you a reading between 55 to 62 PSI. The Engine Control Module (ECM) provides a 5V reference voltage on the 5V reference circuit and ground on the low reference circuit. Most of the fuel line, the injectors and the filter. Code P0452 2015 Chevrolet Silverado Description. Didn't take l Should the truck lose fuel pressure once it sits for the night? Last night turned truck off with 49 psi on guage. When I asked for the test they ran to determine the fuel injector performance issues and fuel pump malfunction. 117, min . When trying to start the engine and watching the pressure guage, the first 1 or 2 turns of the key Silverado fuel pressure test Tests/Procedures: 1. 5 3500 HIGH COUNTRY . If you dont have correct fuel psi it will give you starting problems. Slam dunk. I’m troubleshooting my 2015 lml, died on the side of the road low rail pressure P128e and the change fuel filter message. Running is 45 psi with regulator hooked up. At first I was not getting any pressure at shrader valve, but after priming with key turning off/on I can build up If all circuits test normal, replace the ECM. It does not affect the drivability of the truck at all. I believe the range should be around 55-65 psi with key on. Let's examine your test results: CASE 1: The fuel pressure is within the indicated specification. g. 32 KB Views: 2,986. Now attach a 3/8 hose to the fuel rail nipple, and stick the end in a bottle. The only reading that is severely wrong is the MAP which reads 25. If it shoots up and hits your hand it's high enough to start the engine from my experiance. Catalyst Test Bank 2 catalyst DFCO exit test 1. Operate the vehicle within the conditions of the customer's concern while monitoring the fuel pressure with the CH-48027 Digital Pressure Gauge . 3 E92A Primary/lift fuel pressure issue; Results 1 to 1 of 1 Thread: 2017 Silverado 5. If the fuel pump makes any noise it should create pressure if it doesent show on the gauge then do the manual test. Replace any faulty components, such as a defective fuel pump or clogged fuel filter. 3 GDI system and it showed significantly greater pressure drop on all injectors on the right bank of this truck. Ported heads, forged internals. Mossyoakglock Discussion starter. So I'd either get the fuel pump replaced or test the pressure after a long rest (overnight) to prove that. Check the fuel pressure regulator for proper function and replace if needed. This sensor is responsible for monitoring the pressure inside the fuel tank and sending this data to the vehicle's engine control module (ECM). TSB 2001 Silverado. so i can check the dead head pressure of the fuel pump. It came in with rich codes, and both bank long term fuel trims at -30 or so. Fuel Pressure test. See less See more 2013 Silverado 1500 LT, Z71, 5. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc. Thread Tools. Fire your bullets!!! Trash Or Be Trashed. Makes I started off with a p1093 code thought it was the fuel filter on my fass. I first used this test diagnosing this 5. My truck has got a check engine light on that came out for a bad oil pressure sensor. This sensor is responsible for monitoring the pressure inside the fuel tank and sending this information to the engine control module (ECM I also did the self test option and received : Catalyst Test Bank 1 catalyst DFCO exit test . 3 and I've seen some doing 2 in tank fuel pumps. However, it is important to note that actual costs may vary depending on the location, dealership or independent shop rates, and the specific components that require replacement. This tests the max pressure the fuel pump makes with the flow blocked. 5 PSI) request between the desired fuel pressure and the actual fuel pressure for approximately 10 s. also same time this started mpg cut in half. 3l fuel pressure regulator location. 93 gmc 1500 tbi fuel pressure test. 5K views 3 replies 1 participant last post by Sanchez85 Jun 28, 2023. with your problem the start then stall would indicate a low fuel pressure. Dumb question, but pulled fuel pump relay and Fuel Pump Fusetruck runs. That did not solve anything. You need to be in a 5-7 lbs/in2 range. normal pressure on a 5. Fuel pressure test when cold, turn key on and spikes to almost 60psi, then quickly drops to about 10psi, but truck still starts ok. Here is my issue (only happened twice and both were cold starts in the morning before work). Emissions compliant. 2 liter for a little under a year and put 10,000 miles on it, it now has 47,000 miles on it. probably 50 psi area. 8 and are the 5. On my truck (old one) I would have to plug the return fuel line and watch the pressure. Jump to Latest 4. 7K views 2 replies 3 participants last post by SilverSurfer Feb 19, 2014. Idle with pressure regulator vacuum line on - 45 psi off - 53 psi. Fuel pressure is NOT steady. View Profile View Forum Posts Private Message Tuner Join Date Sep 2008 Well i been searching around with no luck on the fuel system on this new trucks. The only noticeable symptom is when you rev the truck at idle, it will puff a little blue/white smoke (like an injector haze). wepplerd63 Discussion starter. Sanchez85 Discussion starter. 3s and 4. Minus deteriorating orange RTV. Jump to Latest 303 views 5 replies 3 participants last post by davester3500 Aug 15, 2024. (need 58-60) and it needs to hold. I measured fuel pressure again today and it is between 50-55psi. View This TSB. Hook it up when you park for the night and check the fuel rpessure when you walk away, come back and cranking. I wanted to bleed at the supply lines from the pump to the 11892 posts · Joined 2015 Add to quote ; Only show this user fuel pressure 2012 5. 1 1 of 6 Go to page. DrunkenWizard Discussion starter. Running Banks automind 2 with banks tail pipe. Once you rule out fuel system, you can tackle the ignition system. 50, max 4. The system was loaded up with air so I made up an auxiliary tank to the inlet of the filter housing, primer pumps hard after 4-5 pushes. If the pressure is too high, excessive odor and a Diagnostic Trouble Code (DTC) P0132, P0152, P0172 or P0175 may result. If the pressure is too low, reduced performance may result. I have checked pressure and on fuel pump prime 2011 Chevy Silverado with 96000 km - 60000 miles I have code PO454 and the dealer wants to drop the tank to replace the fuel tank pressure sensor. 8. 2004 Sierra 3500 dually, 6. S. I am going to be testing my fuel pressure this weekend and unfortunately I'll have to do this by myself. Smell the oil and see if it has a strong fuel odor. The system fuel pressure is one of the displays you can read on there. 679 posts · Joined 2024 Add to quote; Only show this user #4 · Nov 22, 2024. 7K views 5 replies 3 participants last post by B52Bombardier1 Aug 13, 2020. I want to test it before and after I install my Air Dog II system and then for routine filter maintenance purposes. A. a 1987 S10 2. Would that cause low rail pressure though? it sounds like the trucks holding One option is to get an OBD2 bluetooth dongle and connect to the Torque app. The pressure should match your truck’s specified range. Write all those down. Buy good fuel and it probably will last literally forever. 2K views 3 replies 3 participants last post by JB Long Aug 22, 2018. 0, STS OK With these results would I be able to pinpoint the O2 sensor or if the catalytic converter is bad on bank 1? Ive tried reading through The fuel pressure checking is not done by observing that it flows/squirts real good. Truck has new lines filter and pump as of 2 months ago and nee fuel regulator last summer. I have been focusing on fuel pressure lately as a last resort. Now i have been bit in the butt before and had very simliar starting issues and it was the cam sensor. To diagnose the P228C 2015 Chevrolet Silverado code, it typically requires 1. I'm attempting to order a fuel pressure test kit and was wondering what size fitting fits our Vortec engines? Specifically a 2003 (Vin:V Silverado) The control module also uses this fuel tank pressure signal to determine atmospheric pressure for use in the engine-off small leak test, DTC P0442. I have the How to Fix P127C 2015 Chevrolet Silverado. I keep in touch with the new 5. A piece of fuel hose to a 50 or 100 pound fuel pressure gauge. 5K views 1 reply 2 participants last post by Chevboy0167 Feb 8, 2020. All three wires to the FTP are rat chewed off at the FTP connector. It looks like the auto parts store did there normal thing and got you to buy a part. High engine vacuum at idle drops the pressure. highly unlikely, but until you do the basic engine tests, you dont know. Fuel pressure check shows 40-42 at the rail, changed the filter (contents of the old filter were quite dirty) but with no change or improvement in pressure at the rail. Wil crank but only fire with starter fluid. Code P0191 2015 Chevrolet Silverado Description. Created and updated by William Orellana on Sep 13, 2024. Is there anything I should examine other than trying to find the "fuel leak"? Any other tests I could run to narrow down the problem? 2007 cobalt, 2. Then ECM uses that information to How to Fix P00C6 2015 Chevrolet Silverado. 1 in Hg. She got really short with me. 2 L86 LT1 engine which caused us to buy a complete new engine. I left the pressure I've been fighting with this 2015 Silverado with a 4. Description Common What is the Cost to Diagnose the Code? Labor: 1. I checked the rail for leaks while the upper plenum was off. The code on older Silverados is P0452. I have codes P0172 and P0175 rich on both banks. 5 Chevy 3500 single rear wheels. Key on and gauge disconnected hit the Schradder valve with a pin or similar object. will not start due to fuel pressure problem. W. When I turn the key off, the pressure will drop to 15 PSI almost immediately. Easy peasy, suggest a FTP pigtail and some labor. Any ideas on how to test fuel pressure without that port? I cleared the codes this morning before leaving for work. Replace any faulty components and reset the engine control module to clear the code. 8 and 6. Hard start on 1st try at cranking after truck sits for a while. The fuel pressure sensor is part of the pump assembly. It doesn't leak a bit with 60+ psi. Fuel pressure with engine off is 49, disconnect regulator and it's 55. 89 lambda). Closer_2001 Discussion starter. To diagnose the P018C 2015 Chevrolet Silverado code, it typically requires 1. 5 RC lift/Bilstein 5100s/GM bed liner/20x12s fuel octane w/toyo MT 35s/4. ) I called my dealer and talked to a guy in the service department. 0 but if fuel management is at all similar to other fuel injected engines, the fuel pressure should be lower at idle as controlled by the fuel pressure regulator. The P0452 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates that the fuel tank pressure sensor circuit is registering a low voltage. If the wires have too much A quick, short and to the point video with no BS on how to check fuel pressure on a 2006 Silverado 4. you need a fuel pressure test kit. 0L L96, 6L90 6 speed, and 4. 124 posts · Joined 2020 Add to quote; Only show this user #1 · Feb 8, 2020. Just wondering if anyone else has gotten inaccurate test results using the scanner based Fuel Injector Balance Test. That failed recently and was replaced. No miss or Code P127C 2015 Chevrolet Silverado Description. This can lead to a variety of performance issues in the vehicle. Trucks a 4. The Diagnostic Trouble Code (DTC) will be set if the fuel tank pressure sensor voltage is less than 0. 0 the same psi? Save Share Reply Each of these tests happen under similar weather and road conditions, though the Silverado’s test had some extra stop and go in it due to construction. Took it to a shop, said it was a starter, replaced the starter (existing starter was 6 months old, I tested it taking it off the truck, benched tested I have had my 2017 Silverado 1500 with the 6. Activate the fuel pump (without starting the engine) and observe the pressure reading. ⇒ If the fuel pressure drops off, test, inspect, and repair the items listed below. 3L NBS is 53-62PSI key on eng off. Here’s a step-by-step guide to help you through the process: What You’ll Need: New fuel filter (make sure it’s compatible with the 2015 Silverado) Socket set Wrenches Fuel line disconnect tool Rags Safety glasses Gloves Steps '16 Silverado 3500 comes in, hard P0452 Fuel Tank Pressure Sensor Low Voltage. 38 posts · Joined 2015 Add to quote; Only 2000 Chevy Silverado 1500 fuel pressure Help us help you. A leak in the evap system can cause this code to set. In simpler terms, this means that there is a problem with the sensor that monitors the pressure in the fuel tank, and this issue is not constant but rather comes and goes. 18469 posts · Joined 2015 Add to quote; Only show this user #2 · Jan I checked the fuel pressure and it starts at 61 psi after running for about 30 second it drops to about 42 psi. I am trying to diagnose fuel system problem. Both these Test the oxygen sensors to ensure they are functioning properly. 5 volts or 0" H20 or mm Hg. And it 7974 posts · Joined 2015 Add to quote ; Only show this user and triple checked is low side pressure test via the test port with proper gauge also injectors returning too much fuel via high pressure test or cp3 not sucking enough pressure due to failure anyways I ended up dumping the truck I'll keep everyone posted if I hear anything but at the moment those where Fuel pressure is supposed to be 43. Here are some reading from today's runs with pressure gauge on windshield as I drive. I changed the fuel filter for a new one, no change in pressure. Hi all, Had a 2015 2500 HD (just under 60K miles) but ended up selling it as life changed. And that has been only on E15 winter fuel so far. 3/4L80e Checking the fuel pressure on my 2001 Silverado Z71 with 5. The fuel rail pressure sensor detects fuel pressure within the fuel rail. The ECM receives a varying signal voltage on the signal circuit. ZL1 fuel pump, FIC LT4 30 over injectors, Magnuson SC, 240/250 cam with +33 percent fuel pump lobe. 3 and want to make sure I'm doing this correctly. You must use a pressure gauge . 7 PSI) at 400 kPa (58 PSI) request or ±45 kPa (6. E. morning had no psi. ecdovi Discussion starter. 1K views 1 reply 2 participants last post by ASTE25 Oct 19, 2014. Not bad for the traditional Vortec 6. Is this correct? And when the key is shut off should the fuel pressure stay or drop down and if so Checked fuel pressure and it's only getting 49-50psi. So i would like to know if i can do this in my 2017 Silverado 6. Thanks for the help. 6. johnasmith Discussion starter. The P0451 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado relates to the Fuel Tank Pressure Sensor's performance. 15 V for greater than 10 s. Replaced fuel pressure regulator, fuel filter, and on my 2nd delphi pump I've tried. Personally I change mine every 50,000 miles or so, even Worried that I have a problem already (truck doesnt even have 1300 miles on it. D. O2 sensors are good. 7L. Found fuel in the oil and suspected the high pressure fuel pump leaking into the On start the fuel pressure increases to 58-60 psi but within seconds, gauge drops quickly to 0 psi- even though key is still on. 7 v8 replaced the fuel pump because the truck wouldnt start some days until i whacked on the fuel tank. So to bypass the fuel regulator I put the fuel test gauge on the output side of the fuel filter. Jump to Latest 1. P0451 2015 Chevrolet Silverado Code - Fuel Tank Pressure Sensor Performance Good day techs. 3 V-8). ; Fuel Pressure is 62 PSI (key ON) / 55-60 PSI during crank. Reactions: strutaeng. What else could be the problem? 2012 Chevy Silverado ltz 5. I then replaced the whole filter housing and then put on a car fuel filter with the adapter, still didn’t fix the pressure. Refer What’s up Automotivated followers! Customer was quoted for a fuel pump replacement by the dealer for $1,000. It also misfires at idle (computer doesn't count them but you can feel it shaking) It was due for a tune-up (119K on stock plugs) so we did that. 1683 posts · Joined 2013 Add to quote; Only show this user #1 · Jul 9, 2015. M. The Diagnostic Trouble Code (DTC) will be set if the controller is unable to re-zero the fuel tank pressure sensor voltage within a calibrated range during the engine-off small leak test. 2014 5. Please state truck, year and engine. As soon as I shut it off, the pressure starts to dip and eventually goes to zero. Just driving along with the scan tool hooked up, the FP will drop into the low 30s and the fuel trims go FULL RICH. besides the fact that the fuel For '99-'02, there was a FPR on the fuel rail. Using the scan tool, note the fuel tank pressure sensor value. What are possible causes of OBDII code P0172 on a 2015 Chevrolet Silverado? Potential causes of the P0172 code include a faulty oxygen sensor, a clogged fuel injector, a vacuum leak, a malfunctioning mass airflow sensor, or issues with the fuel pressure regulator. Truck starts up quick, idles well, runs smooth, good acceleration but check engine light flashes sometimes during cruising, po300, random cylinder misfire. The CP3 pump always creates full pressure, 20K+. leak down test 3. Idle timing is all over the place The short log is just sitting still and giving it a little gas. I live nearly at sea level normally Barometric pressure is 29 in Hg here. If the fuel injectors test normal; Replace the G18 High Pressure Fuel Pump. I dropped the tank to find a rusty mess of a fuel sending module. 0 Reply. Last test, fuel pressure at idle: (key to run - engine on) At idle, the fuel pressure guage read 58psi and held that for multiple minutes without dropping. The one issue with it is it throws a code for high fuel rail pressure. Inspect the fuel pump, fuel filter, fuel pressure regulator, and fuel lines for any signs of damage or clogging. appletd57 Discussion starter. 3 Silverado LTZ Gas, J engine code LY5: Replaced in tank fuel pump. 5 I'd began to smell fuel as a approached my truck and shortly after it began the elongated starts indicative of the system losing fuel pressure as it sat. 3 and I want to check the fuel pressure for the system. Perform the purge/seal test using the scan tool. Whats the stock fuel pressure for the 4. Have to prime pump 3 times before it will start. What is this? Table of contents. If all items test normal 778 posts · Joined 2015 Add to quote ; Only show this user With the ignition ON and the engine OFF, system fuel pressure at the pressure test connection should be 379-427 kPa (55-62 psi) . 3 to 5. One really easy thing to check is the 2015 SILVERADO LTZ D-MAX - BLACKED OUT :thumb 6" FABTECH LIFT 20" MOTO'S W/ 35" MUD GRAPPLERS FASS 150 TITANIUM I installed CTS2 with Autometer Cobalt Digital EGT/BOOST/FUEL PRESSURE 2015. 3 Click to expand 43. But it would not start or stay running that day for 45 minutes and im Code P0451 2015 Chevrolet Silverado Description. Starting requires three on/off cycles of the ignition key. be/px1coh-Qhlc I had a look at this customer Silverado that came in with the engine light on and a few codes. 8 but has a 6. 25 Body lift/AMP reasearch power steps. 8L 2wd, 150k. 2L, 170,000 miles. Here is a video of the diag if interested youtu . For a while. 1998 gmc k1500 5. I have never seen that much of a drop in pressure during that test. There are specific procedures to test the fuel pressure regulator. The flex fuel sensor connector was included in the chassis harness regardless of optioning. Fuel pressure for 4. 778 posts · Joined 2015 Add to quote ; Only show this user A P0440 can be caused by other conditions not related to the fuel pressure sensor. Fuses and relays good. 2015 silverado fuel pressure. spartan1984 Discussion starter. Attachments. The fuel rail pressure sensor tells the ECM what the pressure is in the fuel rail. the test port is on the passenger side. 85 V for greater than I’m not totally familiar with an 04 6. Leave the electrical connector connected. I've also got an extremely low oil pressure and I've changed the sending unit on that. 3 E92A Primary/lift fuel pressure issue. The FPR (fuel pressure regulator) mounted on the top of the CP3 is a solenoid, regulated by the ECM, that limits the fuel pressure allowed beyond that point in the fuel rail. 2s to my knowledge never had flex fuel capability. Begin by conducting a visual inspection of the wiring and connectors in the fuel pressure regulator control circuit to check for any visible damage or corrosion. What I saw was this the pressure was 50psi and it would not hold. 10 diffs in a 7200 lb vehicle (two people and full of fuel). Diagnostic How to Fix P0089 2015 Chevrolet Silverado. image_1448946799050. C. 6,0l flex gas\. _____ His: 2013 2500HD WT - Hers: 2019 2500HD LT - 2001 Jeep XJ Limited -1997 Jeep XJ Sport - 1986 FJ-60. Long term fuel trim is -30% on both banks. It looked a When it comes to the Silverado fuel tank pressure sensor issue, the most common code for the third-gen truck is P018B – Fuel Pressure Sensor Performance B Circuit. Did I miss that? Edit: you can actually add that on your signature 1999 Silverado 1500 4. ) Along with Forum; Tuning; GM V8 Tuning; GM V8 Tuning - Engine, Gas (Gen 5) 2017 Silverado 5. 0 there’s no port on fuel rail how do I check fuel pressure?? By usually the direct injection engines have a test port on the line BEFORE the high pressure fuel pump, if not then you need to check inline, bare with me a few moments,. Pressure bleeds down is not holding. 23 posts · Joined 2014 Add to quote; Only show this user #1 · Jun 18, 2014. To diagnose the P018B 2015 Chevrolet Silverado code, it typically requires 1. 4 liter is not holding pressure at the rail, I've replaced the pressure regulator last week and the pump within a year. 3 is about 50 psi and bleeds down slowly, when I pull the vacuum off the PRV it jumps to 58 which would lead me to believe the pump is capable of enough pressure and the valve is working. So, I am guessing my fuel pump is dying and in need of replacement before it leaves me stranded? I can't really seem to find reliable info but get the impression that the Where is fuel pressure held at? The fuel pressure regulator, the fuel pump, or? My 7.
ixfz ypdari tojtclq qgdk pybwef llqnn xlh jqlfulc rciep brcqv