General Information

Engine

CAUTION: When repairing engines, all parts must be contamination free. If contamination/foreign material is present when repairing an engine, premature engine failure may occur.

NOTE: The following information, steps and procedures may not be specific to your engine.

NOTE: If a component fails to meet the specifications, repair or install a new component as necessary.

NOTE: Refer to Specifications.

The Computers and Control Systems information covers general procedures and diagnosis and testing of the engine system, except for exhaust emission control devices, the diagnosis of which are covered in Computers and Control Systems.

The engine incorporates the following features:
^ a closed PCV system. For service, refer to Vehicle/Application and ID in Control Systems.
^ an exhaust emission control system. For service, refer to Emission Control Systems.
^ an evaporative emission (EVAP) control system. For service, refer to Evaporative Emission Systems.

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 Vehicle/Application and ID.