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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 6.2L - DTC P0010 To DTC P0232 >> DTC P0131, P0132, P0137, or P0138 >> Repair Procedures

Repair Procedures

NOTE: Refer to Heated Oxygen Sensor Resistance Learn Reset Notice .
IMPORTANT: For DTC P0131 and P0132, in order to ensure that the performance of the catalyst has not been affected by the fault that set this DTC, operate the vehicle within the conditions for running and setting DTC P0420 and verify that P0420 runs and passes. Refer to DTC P0420 or P0430 .

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

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