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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (Diesel) >> Diagnostic Information and Procedures >> DTC P0105, P0107, or P0108 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition On, observe the DTC information with a scan tool. Verify that DTCs P0641, P0642, P0643, P0651, P0652, P0653, P0697, P0698, or P0699 is not set.
  2. Determine the current vehicle testing altitude. Ignition ON, observe the scan tool BARO Sensor parameter. Compare the parameter to the .
  3. Ignition ON, observe the scan tool MAP sensor parameter. The MAP sensor parameter should match the BARO sensor parameter.
  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 from the Freeze Frame/Failure Records data.
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