P0161 Diagnostic Trouble Code Discussion for June 2010
Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance
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| Help Request | Posted | |
| 1996 Chevrolet Impala SS 5.7L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1G1BL52P3T P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. Car will start but runs rich hot or cold, once it runs, it runs great, o2 readings rich,fuel trims trying to take away fuel, fuel presure reg not leaking. |
June 22, 2010 |
