Fuel Injector Wiring Harness: Service and Repair

REMOVAL and INSTALLATION
1. Disconnect battery ground cable.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the strategy.

2. Remove air cleaner outlet tube from throttle body.
3. Disconnect fuel charging wiring from fuel injectors and electronic engine controls.
4. Disconnect fuel charging wiring from engine control sensor wiring.
5. Disconnect fuel charging wiring from the solenoid isolation valve on injection supply manifold.
6. Remove fuel charging wiring retaining bolts and fuel charging wiring from intake manifold.
7. To install, reverse Removal procedure. Tighten fuel charging wiring retaining bolts to 8-12 Nm (71-106 lb in). Tighten engine air cleaner tube clamp to 2.5-3.2 Nm (22-28 lb in). Verify all electrical connections.