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Pontiac
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2005
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Grand Prix GXP
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Repair and Diagnosis
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Different variant/trim
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Section 5 (Engine Controls - 3.8L - DTC P0137 To DTC P0405)
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DTC P0137
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Conditions for Setting the DTC
Conditions for Setting the DTC
WARNING:
This page is about a different variant/trim than selected.
The PCM detects that the HO2S 2 signal voltage remains below 78 mV for more than 2 minutes.
This diagnostic runs continuously.