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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 512 (Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - DTC P0010 To DTC P0358) >> Diagnostic Information and Procedures >> DTC P0107 or P0108 >> Circuit/System Verification

Circuit/System Verification

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  1. Verify that DTC P0641, or P0651 is not set.
    • If the DTC is not set 
  2. Engine Idling.
  3. Verify the scan tool MAP voltage parameter is between 0.3-4.8 V and changes with accelerator pedal input.
    • If not between 0.3-4.8 V or does not change 

      Refer to Circuit/System Testing - step 1.

    • If between 0.3-4.8 V and changes 
  4. 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 in the Freeze Frame/Failure Records data.
  5. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing - step 1.

    • If the DTC does not set 
  6. All OK.
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