P0161 Diagnostic Trouble Code Discussion for December 2016
Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Performance
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| Help Request | Posted | |
| 2006 Cadillac STS 4.6L MIL Lamp on VIN: 1G6DC67A56 P0161: Heated Oxygen Sensor (Bank 2 Sensor 2) Heater Circuit Malfunction. map checked 1.9v on idle 4v under 3000rpm, fuel trims a maxed out to 30% wil go down to 20 under 3000rpm and the only time when trims will set to 0 ballance is under snap throtle. Car doesn't show any symptoms of a lean condition. Codes present and everything ... |
December 26, 2016 |
