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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Controls And Fuel - 2.4L - DTC P0010 To DTC P0114 (LUK)) >> Diagnostic Information and Procedures >> DTC P0107 or P0108: Manifold Absolute Pressure (MAP) Sensor (LUK) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify that DTC P0641, P0651, P0697, or P06A3 is not set.
    • If none of the DTCs are set 
  3. Verify the scan tool MAP Sensor parameter is within the range specified in the Altitude Versus Barometric Pressure table.
    • If the MAP Sensor parameter is not in range 

      Refer to Circuit/System Testing for further diagnosis.

    • If the MAP Sensor parameter is within range 
  4. Engine idling, verify the scan tool MAP Sensor voltage parameter is between the specified value listed below:

    0.3-4.8 V and changes with accelerator pedal input - Without turbocharger

    0.2-4.5 V and changes with accelerator pedal input - With turbocharger

    • If not between the specified value or does not change 

      Refer to Circuit/System Testing.

    • If between the specified value and changes 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed in the Freeze Frame/Failure Records data.
  6. Verify the DTC does not set.
    • If any DTC sets 

      Refer to Circuit/System Testing.

    • If no DTC sets 
  7. All OK.