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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1038 (Engine Controls Diagnosis - 8.1L (DTC P0068 To P0174)) >> Diagnosis >> DTC P0131 or P0151 >> Conditions for Setting the DTC >> Power Enrichment Test:

Power Enrichment Test:

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The PCM detects that the affected HO2S voltage parameter is less than 360 mV for 10 seconds.