Preliminary Checks

WARNING: This page is about a different car, the 1998 Ford Windstar. However, it is still accessible from the selected car via links, so may be relevant.

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.