P0131 Diagnostic Trouble Code Discussion for August 2004
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 1996 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF55F1T P0131: O2 Circuit low voltage. This vehicle is a puzzler. The engine runs well. The only code obtained with an OBDII scan is P0170 with a freeze frame data for LTFT of -14.8%. After replacement of the MAF sensor and two long drives, fuel trim did not budge. Customer drove car for 1200 miles... |
August 04, 2004 | |
| 1998 Chevrolet Camaro 5.7L MIL Lamp on VIN: 2GH1FP32G3 P0131: Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage. Hello fellow techs I need your input before spending a lot of money. I have a 98 Camaro Z28--350 fuel injected Came in with a long spin time at first start. I hooked up scan tool to get input and the car fired right up-- this happened two mornings in a row Rep... |
August 28, 2004 |
