P0131 Diagnostic Trouble Code Discussion for November 2007
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 2002 Mercury Mountaineer 4.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 4M2ZU86E02 I believe I have a bad pcm but at 935.00 I want to be posative. This car was sent to me from another shop. They replaced both front oxygen sensors with new ones from Ford. The car will start and run but rough, it will surge after a while and sometimes stall. I... |
November 06, 2007 |
