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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - DTC P0385 To DTC P2108 >> DTC P0385 >> Circuit/System Verification
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Circuit/System Verification

  1. Attempt to start the engine. The engine should start and run.
  2. Monitor the CKP Sensor A and the CKP Sensor B parameters. The parameters should increment from 0 to 255 continuously with the engine running or cranking.
  3. 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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