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06 duramax 0087 code

Predator support for GM diesel vehicles

Moderator: mikel

Post Tue Sep 21, 2010 3:39 pm

Posts: 1
I have an 06 chevy duramax that keeps throwing a p0087 code (low fuel rail pressure) when it first started throwing it was only when I was pulling a trailer over 8000# then went to setting it off with any load NOW no load just easy driving sets it off! It doesn't matter what tune i have or back to stock I always set Predator U7186 tuner to the correct tune when hooked to a trailer I had injector pump checked its ok I had injectors checked bypass flow too high on all replaced ALL injectors STILL sets code any suggestions

Post Wed Sep 22, 2010 1:07 am

Posts: 40
Have a look here: ... id=1669909

Could be a few things. Search engines are your friend! :)
2006 Silverado 2500HD ECSB LBZ 4" MBRP exhaust, Blockerplate and Fingerstick, U7186 Predator, Kennedy Booststick, Isspro EGT and Boost gauges, S&B Intake.

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