Symptom Checks

Check the following items:

• Perform QUICK TEST. See the TESTS W/CODES - EEC-V article. If code present, perform appropriate CIRCUIT TEST.
• Check ignition system. See CIRCUIT TEST JB in the TESTS W/CODES - EEC-V article.
• Check PCV system. See CIRCUIT TEST HG in the TESTS W/CODES - EEC-V article.
• Check fuel delivery system. See CIRCUIT TEST HC in the TESTS W/CODES - EEC-V article.
• Check exhaust system. See CIRCUIT TEST HF in the TESTS W/CODES - EEC-V article.
• Check engine compression. Check engine mechanical condition. Check intake manifold gasket, camshaft and valves.
• Ensure engine operates at normal operating temperature.
• Ensure transmission operates properly.
• Check for dragging brakes.