Symptom Checks
WARNING: This page is about a different car, the 1995 Ford RV Cutaway, 1995 Ford Econoline, 1995 Ford Cutaway, and 1995 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
Perform the following:
- Perform QUICK TEST. See appropriate TESTS W/CODES - EEC -IV article. If code is present, perform appropriate CIRCUIT TEST.
- TESTS W/CODES - EEC-IV (4.9L)
- TESTS W/CODES - EEC-IV (5.0L)
- TESTS W/CODES - EEC-IV (5.8L)
- TESTS W/CODES - EEC-IV (7.5L)
- Ensure engine operates at normal operating temperature.
- Check ignition system. See IGNITION SYSTEMS in appropriate appropriate I - SYSTEM & COMPONENT TESTING article below.
- SYSTEM/COMPONENT TESTS - EEC-IV (4.9L)
- SYSTEM/COMPONENT TESTS - EEC-IV (5.0L)
- SYSTEM/COMPONENT TESTS - EEC-IV (5.8L)
- SYSTEM/COMPONENT TESTS - EEC-IV (7.3L DIESEL)
- SYSTEM/COMPONENT TESTS - EEC-IV (7.5L)
- Check power to MAP/BARO sensor. See step 3) of CIRCUIT TEST S in appropriate TESTS W/CODES - EEC-IV article below.
- TESTS W/CODES - EEC-IV (4.9L)
- TESTS W/CODES - EEC-IV (5.0L)
- TESTS W/CODES - EEC-IV (5.8L)
- TESTS W/CODES - EEC-IV (7.5L)
- Check idle speed. See IDLE SPEED & MIXTURE in appropriate ADJUSTMENTS article below.
- ADJUSTMENTS - 4.9L
- ADJUSTMENTS - 5.0L
- ADJUSTMENTS - 5.8L
- ADJUSTMENTS - 7.3L DIESEL
- ADJUSTMENTS - 7.5L
- Check PCV system. See EMISSION SYSTEMS & SUB-SYSTEMS in appropriate I - SYSTEM & COMPONENT TESTING article below.
- Check Fuel Evaporation (EVAP) system. See EMISSION SYSTEMS & SUB-SYSTEMS in appropriate I - SYSTEM & COMPONENT TESTING article below.
- Check air injection (if equipped). See EMISSION SYSTEMS & SUB-SYSTEMS in appropriate I - SYSTEM & COMPONENT TESTING article below.
- Check EGR system. See EMISSION SYSTEMS & SUB-SYSTEMS in appropriate I - SYSTEM & COMPONENT TESTING article below.
- SYSTEM/COMPONENT TESTS - EEC-IV (4.9L)
- SYSTEM/COMPONENT TESTS - EEC-IV (5.0L)
- SYSTEM/COMPONENT TESTS - EEC-IV (5.8L)
- SYSTEM/COMPONENT TESTS - EEC-IV (7.3L DIESEL)
- SYSTEM/COMPONENT TESTS - EEC-IV (7.5L)
- Check engine mechanical condition. Check compression, intake manifold gasket, camshaft and valve train components, etc.