P0139 Diagnostic Trouble Code Discussion for November 2010
Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
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| Help Request | Posted | |
| 2004 Alfa Romeo 156 JTS Sele 2.0L Poor Idle Quality, MIL Lamp on VIN: ZAR9320000 P0139: Lamda 1 signal below Cat slow. Cleaned contacts for Lambda 1 and 2, problem came back after 2 weeks. Replaced Lambda 1, problem came back after 1 week. Please help. Thank you |
November 15, 2010 |
