Fuel Injector: Service and Repair

REMOVAL / INSTALLATION

WARNING: Fuel line spills and leaks are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Pressure Release Procedure".

Fuel Pressure Release

1. Remove in the order shown in the figure.
2. Install in the reverse order of removal.

Fuel Injector Removal / Installation:

1. Negative battery cable
2. Air cleaner housing
3. Fuel injector connector
4. Fuel hose and fuel pipe
5. Fuel distributor (RH)
6. Fuel distributor (LH)
7. Insulator
8. Accumulated connector
9. Spacer
10. Fuel injector
11. Pressure regulator

Fuel Distributor Installation Note
1. Install new fuel injector insulators.

Fuel Distributor Installation Details:

2. Install the insulators, making sure that each is pressed in fully, and that it is not twisted or bent. Incorrectly installed insulators can cause rough idle.

Fuel Injector Removal / Installation Details:

Installation Note
1. Install new 0-rings.
2. Apply a small amount of clean engine oil to the 0-rings before installing them.
3. Verify that the fuel injector holder is clean.
4. Clean the holder with gasoline, if necessary.
5. Install the fuel injector squarely into the distribution pipe while turning it back and forth.
6. Fit the fuel injector tab into the notch in the distribution pipe.
7. Install the harness.

Tightening torque: 2.5-3.5 Nm (25-36 kgf/cm., 22-31 in.lbs.)