P0040 Diagnostic Trouble Code Discussion for January 2018
Oxygen Sensor Signals Swapped, Bank 1 Sensor 1 - Bank 1 Sensor 2
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| Help Request | Posted | |
| 2011 Mercedes-Benz ML63 AMG 6.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4JGBB7HB4B P0040: Upstream O2 sensor connections wrongly connected. This vehicle came to me on a tow truck misfiring badly. I have tried for hours to obtain repair info on this vehicle with no luck. I have Identifix which seems to be worthless for this vehicle. I just need test procedures so I do not replace unnecessary ... |
January 16, 2018 |
