LEMON Manuals: Even more car manuals for everyone
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 P0130 or P0150 (without LLT) >> Circuit/System Testing (without LLT)

Circuit/System Testing (without LLT)

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. Ignition OFF, disconnect the harness connector at the appropriate HO2S 1.
  2. Engine idling, verify that the scan tool HO2S 1 parameter is between 350-500 mV.
    • If greater than the specified range, test the signal circuit of the HO2S 1 for a short to the heater circuit. If the circuit/connections test normal, replace the ECM.
  3. If all circuits/connections test normal, replace the appropriate HO2S.