Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SFI System: Injector: Removal
- REMOVE V-BANK COVER
- REMOVE INTAKE AIR CONNECTOR
- REMOVE FUEL PRESSURE PULSATION DAMPER
Remove the pulsation damper, the upper gasket, the fuel main hose and the lower gasket.
CAUTION:- Put a shop rag under the delivery pipe.
- Slowly loosen the pulsation damper.
- DISCONNECT ENGINE WIRE PROTECTOR FROM UPPER INTAKE MANIFOLD
- Disconnect the PCV hose from the PCV valve.
- Disconnect the VSV for EVAP from the upper intake manifold.
- Remove the No.1 V-bank cover bracket from the upper intake manifold.
- Remove the No.2 V-bank cover bracket from the upper intake manifold.
- Remove the No.3 V-bank cover bracket from the upper intake manifold.
- Remove the No.4 V-bank cover bracket from the upper intake manifold.
- Remove the 2 bolts, and disconnect the engine wire protector from the upper intake manifold.
- Disconnect the engine wire clamp from the No.1 engine hanger.
- DISCONNECT ENGINE WIRE FROM RH DELIVERY PIPE
Disconnect the 2 wire clamps on the engine wire from the brackets on the delivery pipe.
- REMOVE DELIVERY PIPES AND INJECTORS NOTE:
- Be careful not to drop the injectors when removing the delivery pipes.
- Since the O-ring may be stuck to the injector, do not put a side load on it at the removal.
- Remove the bolt holding the clamp on the fuel return pipe to the LH delivery pipe.
- Remove the bolt, the 2 union bolts, the 4 gaskets and the front fuel pipe.
- Disconnect the 8 injector connectors.
- Remove the 4 nuts holding the delivery pipes to the lower intake manifold.
- Remove the 2 delivery pipes, the 8 injectors, the 4 spacers and the 8 insulators.
- Remove the O-ring and the grommet from each injector.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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