1999 GMC Truck OBD code PO157

Tiny
JEFF FARNHAM
  • MEMBER
  • 1999 GMC TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
Truck runs good changed o2sensor light keeps coming on no exhaust leaks or vaccum leaks how do I get light to stay off?
Friday, October 16th, 2009 AT 4:19 PM

1 Reply

Tiny
MICKEY-D
  • MECHANIC
  • 304 POSTS
I just checked my code book, and it seems there is more than one sensor. The code says "circuit low volts"(bank2 sensor 2) You should have it scanned again, and find out what type of sensor it is, and its location.
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Thursday, December 31st, 2009 AT 10:12 PM

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