FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P0031




P Code: P0031


Diagnostic Trouble Code (DTC) Description:

Front Heated Oxygen Sensor (HO2S), preheating.

Fault Type:

Signal too low. Intermittent fault.

Signal too low. Permanent fault.


For Testing and Inspection refer to Manufacturer Code: ECM - 2810
ECM-2810