Fuel System Pressure Release
WARNING:
ALWAYS release fuel pressure before disconnecting any fuel injection-related component. DO NOT allow fuel to contact engine or electrical components.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
- Remove fuel filler cap. Remove fuel pump relay from Integrated Power Module (IPM). IPM is located on left side of engine compartment, next to battery. See Figure
and Figure
.NOTE: The Intelligent Power Module (IPM) may also be referred to as Integrated Power Module (IPM) or Power Distribution Center (PDC).
- Start and run engine until it stalls. Attempt to start engine. Continue restarting engine until it will no longer run. Turn ignition off.
- Reinstall fuel pump relay in IPM. One or more Diagnostic Trouble Codes (DTC) may set when fuel pump relay is removed. Erase any DTCs that may have set after fuel pressure release procedure.