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Home >> Chevrolet >> 2002 >> Cutaway 6.5 F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 6.5L >> Inspection/Maintenance Procedures >> Inspection/Maintenance Complete System Set Procedure >> Procedure
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Inspection/Maintenance Complete System Set Procedure: Procedure

  1. Did you perform the Inspection/Maintenance (I/M) System Check? If yes, go to next step. If no, see INSPECTION/MAINTENANCE SYSTEM CHECK  .
    2. NOTE: Once the engine is started, DO NOT turn the engine OFF for the remaining portion of the set procedure. Do not let the engine idle for more than the specified time. Extended idling may prevent some of the required tests from running.
  2. Ensure the vehicle is within the Conditions for Running. Turn OFF all of the accessories (e.g., A/C, blower fan, etc.). Set the vehicle parking brake. Verify the transmission is in Park for automatic transmissions and Neutral for manual transmissions. Start the engine, and allow the engine to idle. Allow the engine to idle for 2 minutes. When complete, go to next step.
    3. WARNING: Road test a vehicle under safe conditions and while obeying all traffic laws. Do not attempt any maneuvers that could jeopardize vehicle control. Failure to adhere to these precautions could lead to serious personal injury and vehicle damage.
  3. In order for the next group of tests to run, the vehicle must operate in the following conditions:
    • Acceleration at part throttle to 50 MPH with this speed maintained until the engine reaches operating temperature. This may be up to 10 minutes depending on the start up coolant temperature.
    • Continue operation under these conditions for an additional 3 minutes.

    After procedure, go to next step.

  4. In order for the next group of tests to run, the vehicle must operate in the following conditions:
    • Acceleration at 75 percent throttle until a speed of 68 MPH is attained.
    • Deceleration to 0 MPH.
    • Engine idling for 2 minutes while the following criteria is maintained:
      1. Service brake depressed.
      2. Automatic transmission in Drive.
      3. Manual transmission in Neutral with the clutch pedal depressed.
    When complete, go to next step.
  5. With a scan tool, observe the I/M System Status display. Did all of the I/M System Status indicators update to YES? If yes, go to next step. If no, go to the I/M System Set Procedure for the indicated systems.
  6. With a scan tool, observe the Emission Related DTC portion of the I/M System Status display. Does the scan tool indicate any Emission Related DTCs set? If yes, see DIAGNOSTIC TROUBLE CODE DEFINITIONS  . If no, system is okay.
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