LBZ: 1 bad injector causing p0087? [Archive] - Duramax Diesels Forum

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Devon
06-01-2011, 01:01 PM
Number 3 injector is reading +9.0 at operating temp, while all others are +0.8-2.0 in drive, would that be causing the low fuel rail pressure, all injectors are good except that #3.I put a fuel pressure gauge to the liftpump, and it's putting out 12psi so I know it isn't the problem. Assuming the injector?

Duracopter
06-01-2011, 01:41 PM
More than likely it, I have a buddy on here that just replaced one of his cause it was returning to much back to the tank causeing it to drop rail pressure.

DetailsUnlimited
06-01-2011, 04:10 PM
Yep!