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.
Fuel Delivery: SFI: Injector: Installation
- INSTALL INJECTORS AND DELIVERY PIPE
- Install new insulator and grommet to each injector.
- Apply a light coat of spindle oil or gasoline to 2 new O-rings and install them to each injector.
- Apply a light coat of spindle oil or gasoline on the place where a delivery pipe touches an O-ring of the injector.
- While turning the injector clockwise and counterclockwise, push it to the delivery pipe. Install the 6 injectors.
- Position the injector connector outward.
- Place the 3 spacers in position on the intake manifold.
- Apply a light coat of spindle oil or gasoline on the place where a intake manifold touches an O-ring of the injector.
- Place the 6 injectors together with the delivery pipe and 3 bolts in position on the intake manifold.
- Temporarily install the 3 bolts holding the delivery pipe to the intake manifold.
- Check that the injectors rotate smoothly
HINT:
If injectors do not rotate smoothly, the probable cause is incorrect installation of O-rings. Replace the O-rings.
- Position the injector connector upward.
- Connect the 6 injector connectors.
HINT:
The No.1, 3, 5 injector connectors and dark gray, and the No.2, 4, 6 injector connectors are brown.
- Tighten the 3 bolts holding the delivery pipe to the intake manifold.
- Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)
- Connect the camshaft position sensor connector.
- Connect the throttle position sensor connector.
- Connect the VSV connector for EVAP.
- INSTALL FUEL PRESSURE PULSATION DAMPER (See INSTALLATION )
- INSTALL AIR INTAKE CHAMBER (See INSTALLATION )
- INSTALL ENGINE COVER
Install the engine cover with the 4 nuts.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
