1999 GMC Truck Repair Question
Topics covered: Sensor, Engine, Engine performance.
Mileage: No information provided.
Mileage: No information provided.
Asked on October 16, 2009
1999 GMC Truck obd code po157
Engine Performance problem
1999 GMC Truck V8 Four Wheel Drive Automatic 145000 miles
truck runs good changed o2sensor light keeps coming on no exhaust leaks or vaccum leaks how do i get light to stay off?
1999 GMC Truck V8 Four Wheel Drive Automatic 145000 miles
truck runs good changed o2sensor light keeps coming on no exhaust leaks or vaccum leaks how do i get light to stay off?
Asked by jeff farnhamAnswer
Replied on December 31, 2009
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.