I have my error code from scanning my 01 chevy blazer it came back with po155 ( the engine light came on while I was driving it still starts and turns over

Asked by Apr 11, 2014 at 03:42 AM about the 2001 Chevrolet Blazer 4 Door LT 4WD

Question type: Maintenance & Repair

1 Answer

18,795

You need the passenger side Oxygen sensor. It is possible that the wiring is messed up going to that sensor, but if the wiring looks good then its the sensor

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