P1139 Diagnostic Trouble Code Discussion for June 2008
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Performance
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| Help Request | Posted | |
| 1997 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y4V P1139: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching. well first i would again like to thank all for the previous help on this one. i thought all was well on this vehicle after cam timing set properly. we had been fighting a p0340 code. i was performing final test drives to verify repairs when cel light popped on... |
June 10, 2008 | |
| 1997 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y4V P1139: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching. well first i would again like to thank all for the previous help on this one. i thought all was well on this vehicle after cam timing set properly. we had been fighting a p0340 code. i was performing final test drives to verify repairs when cel light popped on... |
June 16, 2008 | |
| 1996 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD52Y9T P1139: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Switching. ... and ses light on, originally. 6 codes stored po171, po174, po131, po138, po151,p1139. fixed poor run with plugs, wires, and fuel filter and cleared codes. (hoped repair would eliminate some codes) vehicle returned with same... |
June 25, 2008 |
