P0131 Diagnostic Trouble Code Discussion for November 2024
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 2011 GMC Terrain SLT 3.0L Poor Idle Quality, Cuts out VIN: 2CTFLXE57B P0131: 02 bank1 low. After replacing the timing chain set the car ran rough on startup, popping and stalling at idle, worse after it's warm. I tried the crank relearn several times with an Autel scanner. It drives ok at higher rpms, running a little rough/weak the sensors star... |
November 11, 2024 |
