1996 GMC Sierra fuel system

Tiny
SHAGGYDOG1
  • MEMBER
  • 1996 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 212,381 MILES
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?
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Wednesday, March 19th, 2008 AT 10:48 AM

1 Reply

Tiny
JACK42
  • MEMBER
Yes it very well could. It will be a direct leak into the fuel system
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Wednesday, March 19th, 2008 AT 2:14 PM

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