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Home › Hummer › 2008 › H2 4D Utility Pickup › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 6.2L - DTC P0300 To DTC P1175 › DTC P0351-P0358 › Circuit/System Verification

Circuit/System Verification

  1. Engine running, monitor the following ignition control (IC) circuit status parameters, with a scan tool.
    • Cylinder 1-8 Ckt. Short Gnd Test Status
    • Cylinder 1-8 Ckt. Open Test Status
    • Cylinder 1-8 Ckt. Short to Volts Test Status

      Each parameter should display OK.

  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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