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Home >> Ford >> 1982 >> Courier 2.0L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Air Injection Systems >> Testing >> Air Control Valve Test >> Auto. Trans. Equipped Vehicles Only

Auto. Trans. Equipped Vehicles Only

  1. Detach air hose at bottom of air control valve. Start engine and run at idle. Check that no air comes from outlet port.
  2. Detach intake manifold vacuum line from top of air control valve. Air should now come from bottom outlet port. If valve does not respond as described, check vacuum line, if okay, replace air control valve.
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