Symptom Checks

Check the following items:

• Check secondary ignition system. See TEST JB under SYSTEM TESTS n SELF-DIAGNOSTICS - EEC-V article.
• Check fuel delivery system. See TEST HB (natural gas vehicles) or TEST HC (except natural gas vehicles) under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article.
• Check exhaust system for restriction. See TEST HF under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article.
• Check engine mechanical condition. Check compression, camshaft, valve train components, etc. If mechanical condition is okay, return to SYMPTOM DIAGNOSIS  to identify any additional symptoms or go to TEST Z under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article and check for intermittent faults.