Removal
Injector Removal:
Preparation
- Disconnect negative battery terminal.
- Drain engine coolant into an approved container.
Throttle Body Cables:
Throttle Body Removal
- Disconnect cables from throttle body.
- Disconnect PCV hose from valve cover.
- Disconnect power steering air hose from timing cover.
Throttle Body Bracket:
- Remove throttle body bracket.
Throttle Body Electrical Connectors:
- Remove the following connectors and hoses:
^ Throttle position sensor
^ Sub-throttle postion sensor (if equipped)
^ Sub-throttle actuator (if equipped)
^ IAC valve
^ 4 vacuum hoses
Throttle Body Fasteners:
- Remove throttle body mounting hardware.
- Disconnect 2 water bypass hoses.
- Remove throttle body and gasket.
No. 1 Fuel Pipe:
Intake Air Chamber Removal
- Disconnect No. 1 fuel line from rear of fuel rail and discard gasket washers.
No. 2 Fuel Pipe:
- Disconnect No. 2 fuel line from pressure regulator and discard gasket washers.
Air Intake Chamber Supports:
- Remove intake air chamber supports.
- Disconnect vacuum hose from fuel pressure regulator.
- Disconnect fuel injector electrical connectors.
Injector Electrical Connectors:
- Unbolt intake air control valve actuator.
Note:Do not disconnect actuator rod. Using wire or tape, pull unit to the side.
Fuel Rail And Injectors:
Injector removal
- Remove fuel rail mounting bolts.
- Remove fuel rail and injectors as an assembly
- Pull injectors from fuel rail.
- Remove and discard o-rings from injectors.
- Remove insulators and spacers from intake manifold.