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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Engine Controls Diagnosis (DTC P0030 To P0137) - 3.8L) >> Diagnosis >> DTC P0137 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The PCM detects that the HO2S 2 signal voltage remains below 78 mV during Closed Loop operation for more than 2 minutes.

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