P0161 Diagnostic Trouble Code Discussion for July 2009
Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance
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| Help Request | Posted | |
| 1996 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Misfire VIN: 2GCEK19R0T P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. about 2 months ago customer complaint was that the engine was misfiring. We could watch the misfire start on cylinders 5 and 7 then move to 1 and 3 as the vehicle warmed up. Fuel pressure and secondary ignition system are good. compression is good. We replaced... |
July 15, 2009 |
