Description And Operation: Engine

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This article contains information, steps and procedures that may not be specific to your engine.

This article covers general procedures and diagnosis and testing of the engine system, except for exhaust emission control devices, which are covered in INTRODUCTION .

The engine incorporates the following features:

a closed positive crankcase ventilation (PCV) system. Refer to ENGINE EMISSION CONTROL .
an exhaust emission control system. Refer to ENGINE EMISSION CONTROL .
an evaporative emission control system. Refer to EVAPORATIVE EMISSIONS .

Some engines incorporate a fail-safe cooling system.

The engine, fuel system, ignition system, emissions system and exhaust system all affect exhaust emission levels and must be maintained according to the maintenance schedule. Refer to the scheduled Maintenance Guide.

Correct engine identification is required to order parts.

For complete vehicle and engine identification codes, refer to IDENTIFICATION CODES .