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Home › Cadillac › 2009 › STS V › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 4.4L - DTC P0010 To DTC P0158 › DTC P0107 or P0108 › Circuit/System Verification

Circuit/System Verification

  1. Verify that DTC P0641 or P0651 are not set.
  2. Ignition ON, observe the scan tool MAP, SC Inlet Pressure, and BARO sensor parameters. The readings should be within 5 kPa of each other and also the current BARO for your location. Refer to Altitude Versus Barometric Pressure .
  3. Engine running, observe the DTC information with a scan tool. DTCs P0107 or P0108 should not set.
  4. 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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