Remove the intake manifold chamber.
Disconnect the four ignition coil connectors (A).

Remove the harness holder (B) and the breather hose (C).
Remove the cylinder head cover.

Fuel and Emissions System Description - Electronic Throttle Control System
Electronic Throttle Control System
The throttle is electronically controlled by the electronic throttle
control system (ETCS). Refer to the system diagram to see a functional
layout of the ...
Fuel Pressure Relieving
Before disconnecting fuel lines or hoses, relieve pressure from the system by
disabling the fuel pump and disconnecting the fuel line/quick connect fitting in
the engine compartment.
With the HDS ...
Online Reference Owner's Manual
This owner’s manual should be considered a permanent part of the
vehicle and should remain with the vehicle when it is sold.
This owner’s manual covers all models of your vehicle. You may find ...