Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

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Old May 4, 2008 | 01:36 PM
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2500HeavyDuty's Avatar
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Well i got around to firing my truck up today, and at idle FP was fitting at 8 psi. dont know its that normal. but i had a code right away p0089 Fuel Pressure Regulator performance.

I backed out of the drive way and FP went down to 1 psi and drove down the street and it slowly climbed back up to about 15. so i drove a little more and put the foot down on a straightaway and then the tuck died. Turned it back on and the truck is unresponsive past 1/3 throttle. No noticeable leaks from my dog system but that p0089 is back.

---AutoMerged DoublePost---

found out what it was

tank was nearly empty

HOLY CRAP does the airdog work good, quad set on 215 smokes like a train now
 

Last edited by 2500HeavyDuty; May 4, 2008 at 01:36 PM. Reason: Automerged Doublepost
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Old May 5, 2008 | 12:01 AM
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We dont't make the fuel, we just make the fuel go to the engine!
Charlie
 
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Old May 5, 2008 | 03:17 AM
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Originally Posted by AirDog
We dont't make the fuel, we just make the fuel go to the engine!
Charlie
yes indeed yall do
 
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