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05 GMC SEARRA DURAMAX HAS CODES P0087,P1093 STUMBLES WITH HARD ACCEL.
2005 GMC Sierra
My 05 searra duramax has codes 0087,1093 it stumbles under hard accel is ok with slow smooth accel is there a most likly cause?
Tuesday, January 11th, 2011 AT 6:31 PM
P0087 is a fuel rail psi to low code.A few things it could be, are bad injectors, bad fuel pressure regulator, bad CP3 injection pump, bad fuel pressure relief valve (FPRV), or dirty fuel filter.
If you haven't changed your fuel filter recently, that is probably the most likely problem. Even if you have changed it recently, one tank of bad fuel can clog that filter quick.
Sunday, February 6th, 2011 AT 12:51 AM
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