Fuel System (Description and Operation)

Component Location

WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited, resulting in possible personal injury.

The vehicle:

• uses a returnless fuel system.
• is equipped with a multiport fuel injection (MFI) system.
• uses separately controlled fuel injectors (9F593) for each cylinder. The fuel injectors are mounted to the intake manifold.
• fuel injectors are supplied with pressurized fuel from the fuel pump (9350) through the fuel injection supply manifold (9D280).
• fuel injection supply manifold is controlled by the electronic fuel delivery module which is enabled by the powertrain control module (PCM) (12A650).

Fuel System

Refer to the Powertrain Control/Emissions Diagnosis (PC/ED) manual.