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Home >> Cadillac >> 2007 >> XLR V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - DTC P0010 To DTC P0154 >> DTC P0107 or P0108 >> Circuit/System Verification

Circuit/System Verification

  1. Verify the integrity of the MAP sensor system by inspecting for the following conditions:
    • Any damage to the MAP sensor housing
    • Any damage to the MAP sensor seal
    • A loose or improperly installed MAP sensor
    • A restriction in the vacuum source of the MAP sensor
  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 .
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