Preliminary Checks

NOTE: If vehicle is a no-start, see NO START/NORMAL CRANK under SYMPTOMS in TROUBLE SHOOTING -- NO CODES - EEC-V - GASOLINE & NGV article or TEST A: NO-START in SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article.

Before diagnosing problems in ignition system, ensure following systems and components are in good condition and operating properly:

Battery.
Timing belt or chain.
Fuel delivery and injection system.
All wiring and vacuum connections.
Air cleaner and ducts.
Cooling system.