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#1 (permalink) |
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Diesel Fanatic
Join Date: Mar 2006
Posts: 63
iTrader Score: 0 reviews
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low fuel rail pressure
I have and edge and cs monitor on the truck. One of the parameters i monitor is rail pressure. Driving this morning all was good. Rail pressure would hit 20k plus. Parked the truck for a few hours and next drive rail pressure won't get above 11k. The truck has a hard time going up a hill. No codes.
Changed the fuel filters and no improvement. Is it possible for the FPR to get stuck and limit pressure? I doubt the pump would go bad that quickly. Injectors were done about a year ago. (thanks diesel place) All balance rates well with in spec. Is the next step to disconnect the fpr and check rail pressure?
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2002 4WD CC Short Bed 2500, loaded, Nicktane, 285 tires on stock wheels. Last edited by mwicard; 02-03-2013 at 07:43 PM. |
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#2 (permalink) |
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Moderator
Daves Not Here Man
![]() Join Date: Dec 2004
Location: Worland, Wyoming
Posts: 3,687
iTrader Score: 1 reviews
DieselPlace.com Lifetime Premium Member |
How cold is it where you are? Are you running any additive in your fuel? You might check for restrictions in the fuel feed line or better yet, install a vacuum gauge to see if the fuel line is restricted. If it is restricted, the injection pump will pull a vacuum and let you know it is starved for fuel. If you go to Kennedy's web site (a vendor here) he shows how the gauge is used. If you are restricted, it could be due to fuel waxing, ice in the pick up of the tank or a collasped line as possible things to check. Power service 911 will help with the wax or ice.
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2002 Chevy Crewcab SB, Duramax, PPE excelerator Hot +2 ET level 10 , ppe boost valve,Fleece Performance Tap Shifter,secondary filtration with real big cat filter Full Transgo, Alto C-2's, Yukon Grizzly locker,12K winch and custom bumper by me, steel flatbed with two custom fueltanks by me, 285/75/16 Cepek Fun Country II on polished 16x8 Aluminum ASE Master Mechanic 2001 Chevy Crewcab Duramax,Victory Red PPE Standard level 3,wifes truck, AKA sexy diesel momma Kate 2002 Honda Foreman 4x4(economy vehicle) 2001 Holiday Rambler Alumascape 30' 5er Gone but not forgotten 1983 GMC 2500 6.2/1970 K-5 Blazer W/6.2 1 ton running gear/83K2500 Suburban 6.2/1984 K1500 6.2 Turbo/1983 GMC Jimmy 6.2/1984 Blazer 6.2/1983 K1500 Suburban 6.2/1983 K2500 with one ton running gear, nvg 4500 18:1 300hp 6.5 turbo/1985 suburban 300 hp 6.5 turbo, one ton running gear w/detroits front&rear on 35's/Swapped in 500hp 24v Cummins |
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#3 (permalink) |
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Diesel Fanatic
Join Date: Mar 2006
Posts: 63
iTrader Score: 0 reviews
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Thanks for the reply. I'm near Charlotte nc. Not to cold here. I do use additives but not every tank.
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2002 4WD CC Short Bed 2500, loaded, Nicktane, 285 tires on stock wheels. |
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#4 (permalink) |
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Diesel Fanatic
Join Date: Mar 2006
Posts: 63
iTrader Score: 0 reviews
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Got it figured out. THought since I didn't have a check engine light I did not have any codes. CHecked them at lunch and had a p0181. Cleared it and it runs like new.
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2002 4WD CC Short Bed 2500, loaded, Nicktane, 285 tires on stock wheels. |
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#5 (permalink) |
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Diesel Enthusiast
Join Date: Jun 2007
Location: Central Valley, CA
Posts: 8
iTrader Score: 0 reviews
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I have a 07 classic I have a banks system installed and in the last few weeks the banks
has been giving me the "low fuel rail pressure" alarm code. It only happens on the first start in the am. It started when I was on a trip to MN a few weeks ago and the temp was in the teens. But now it has happened a few times since I have been back in CA. What should I be looking for??? Thanks Tom |
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#6 (permalink) | |
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Diesel Enthusiast
Join Date: Jun 2007
Location: Central Valley, CA
Posts: 8
iTrader Score: 0 reviews
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Quote:
" fuel rail pressure : Output voltage out of range" |
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