Symptom Checks

WARNING: This page is about a different car, the 1996 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Check the following items:

Check starting system.
Check EGR system.
Check for contaminated MAF sensor.
Check cooling system for overheating (hard hot start only).
Check ignition system. See CIRCUIT TEST JD.
Check fuel delivery system. See CIRCUIT TEST HC.
Check PCV system. See CIRCUIT TEST HG.
Check Evaporative Emission (EVAP) sys. See CIRCUIT TEST HW.
Check air intake system. See CIRCUIT TEST HU.