Symptom Checks
WARNING: This page is about a different car, the 1995 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Check the following items:
- Perform QUICK TEST. See appropriate TESTS W/CODES - EEC-V article below. If code is present, perform appropriate CIRCUIT TEST.
- TESTS W/CODES - EEC-V (2.3L)
- TESTS W/CODES - EEC-V (3.0L)
- TESTS W/CODES - EEC-V (4.0L)
- Check cooling system for overheating. If cooling system is overheating, go to ENGINE RUNS HOT symptom.
- Check ignition timing. See appropriate ADJUSTMENTS article below.
- ADJUSTMENTS - 2.3L
- ADJUSTMENTS - 3.0L
- ADJUSTMENTS - 4.0L
- Check EGR system.
- Check engine compression. Check engine mechanical condition. Check intake manifold gasket, camshaft and valves.
- Check ignition system. See CIRCUIT TEST JB in appropriate TESTS W/CODES - EEC-V article below.
- Check PCV system. See CIRCUIT TEST HG in appropriate TESTS W/CODES - EEC-V article below.
- Check octane adjust system. See step 5) of CIRCUIT TEST FG in appropriate TESTS W/CODES - EEC-V article below. If available, check Technical Service Bulletins (TSBs) for OCT ADJ information.
- TESTS W/CODES - EEC-V (2.3L)
- TESTS W/CODES - EEC-V (3.0L)
- TESTS W/CODES - EEC-V (4.0L)