Diagnosis And Testing: Engine
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
For basic mechanical concerns, refer to ENGINE SYSTEM - GENERAL INFORMATION . For driveability concerns, refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .