Diagnose the problem using a diagnostic scanner. Check for loose or corroded connections. Inspect the wiring harness for damage. Test the sensors and actuators for proper functioning. Consider reprogramming or replacing the ECU, Ford Windstar PCM, or ECM if necessary. ...

Diagnose the problem using a diagnostic scanner. Check for loose or corroded connections. Inspect the wiring harness for damage. Test the sensors and actuators for proper functioning. Consider reprogramming or replacing the ECU, PCM, or ECM if necessary. ...

Check engine light illuminating Engine performance issues Poor fuel efficiency Irregular idling or stalling Difficulty starting the car ...