help truck keeps turning lit on p0089
i have a 2001 3500 duramax western hauler i pull a 44 ft enclosed car trailer with it . under a hard pull on steep hills it turns the ck. engine lit on an it will not pull. ihave to clear the codes the code is p0089. what can i do to fix this. with not pulling a trailer it seem to run just fine an no lit comes on help
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when was the last fuel filter change. check your oil and see if it smells like diesel at all.
and how many miles on the truck? |
2 Attachment(s)
CIRCUIT DESCRIPTION
The engine control module (ECM) uses commanded fuel pump flow to determine a desired fuel rail pressure (FRP). The actual fuel pressure is monitored using the FRP sensor. If the FRP sensor indicates a pressure more than 20 MPa greater than desired, DTC P0089 will set. CONDITIONS FOR RUNNING THE DTC
Attachment 50625 |
hey truck has about 168000 miles on it ,engine has 152000 on it .it blow up at 15000 with pistons in oil pan gm replaced engine. ive owend sents new.fuel filter has been changed 3 times this year have never found no water or dirt in them. i dump my filters to see whats in them. oil stays clean as a pen. i have ck it an never smelt like diesel fuel this has been going on for 11 months truck use to surge at idle i looked around on the net somebody said to put atf in fuel . i put 2 qts of atf in 5 gals of fuel then dumped in both fuel tank an in alittle bit it quit surgeing .i work on big trucks have for 30 year never got into small diesels i have a otc scanner but all it will do is ciear the codes.an it doesnt show much . thanks for your help
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from what i gather its cp3 related. the injectors are fine im guessing, were they ever replaced?
if you notice that the diagnostic chart points to replacing the Fuel Pressure Regulator which is on the cp3. Where are you located maybe there is some one near you with a good scan tool |
Tahts what i wa going to say as well ...Fuel pressure regulator
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help poo93 code may 2010 i changed the fpr 2 weeks ago an it still turns the ck engine lite on an it wont pull it does this under a hard pull with my trailer on it
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