Lower

Removal
1. Remove the upper intake manifold.
2. Disconnect the fuel line(s).





3. Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.





4. NOTE: To disconnect the electrical connector, slide the tab up the connector and squeeze the retainer.

Disconnect the fuel injector pressure sensor electrical connector and vacuum hose.





5. Disconnect the fuel injector electrical connectors and position the wiring harness aside.





6. CAUTION: Do not loosen or bend the Intake Manifold Runner Control (IMRC) cable bracket. Bracket alignment is critical and damage to the IMRC actuator may occur.

Disconnect the IMRC actuator cable from the stud and bracket.





7. NOTE: Remove the bolts in the indicated sequence.

Remove the lower intake manifold and discard the gaskets.

Installation





1. NOTE: Use new gaskets with the locating lugs facing downwards.

NOTE: Tighten the bolts in the indicated sequence.

Install the lower intake manifold.





2. Connect the IMRC actuator cable to the stud and bracket.





3. Connect the fuel injector electrical connectors.





4. Connect the fuel injector pressure sensor electrical connector and vacuum hose.





5. Connect the engine coolant temperature sensor electrical connector.
6. Connect the fuel line(s).
7. Install the upper intake manifold.

8. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 miles) or more to relearn the strategy.

Connect the battery ground cable.