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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 146 (Engine Controls And Fuel - 3.6L - DTC P0008 To DTC P0333) >> DTC P0137, P0138, P0140, P0157, P0158, or P0160 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine idling, observe the appropriate scan tool heated oxygen sensor (HO2S) voltage parameter. The reading should fluctuate above and below the range of 401-548 mV.
  2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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