1996 GMC Sierra Repair Question
Topics covered: Engine, Engine performance, Fuel pressure.
Mileage: No information provided.
Mileage: No information provided.
Asked on March 19, 2008
1996 GMC Sierra fuel system
i work at a small repair shop, i put a scanner on this vehicle and it came with these two codes po172b bank 1 system to rich, po175b bank 2 system to rich. could this be caused by the fuel pressure regulator?
Asked by shaggydog1Answer
Replied on March 19, 2008
yes it very well could. It will be a direct leak into the fuel system