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Home >> Eagle >> 1995 >> Vision TSi >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.3L >> Test NTC-15A >> Checking Minimum Idle Airflow

Checking Minimum Idle Airflow

NOTE: After each repair, perform TEST VER-2  .
  1. Turn ignition off. Disconnect PCV valve hose from vacuum nipple. Cap PCV valve nipple. Disconnect 3/16" idle purge hose from throttle body. Install Vacuum Fitting (6457) to intake manifold PCV nipple. Go to next step.
  2. Start engine. Allow engine to reach normal operating temperature. Using scan tool, actuate minimum airflow. If vehicle odometer indicates more than 1000 miles, go to step 4). If vehicle odometer indicates less than 1000 miles, go to next step.
  3. If vehicle odometer indicates less than 1000 miles, and engine speed is not 540-840 RPM, replace throttle body. Repair as required. If engine speed is 540-840 RPM, minimum airflow is normal. Test is complete.
  4. If vehicle odometer indicates more than 1000 miles in step 2) and engine speed is 600-840 RPM, minimum airflow is normal. Test is complete. If vehicle odometer indicates more than 1000 miles in step 2) and engine speed is not 600-840 RPM, go to next step.
  5. Replace throttle body. Repair as required.
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