Fuel Injectors - Isuzu 1999 RODEO Workshop Manual

Fuel Injectors

Removal Procedure
NOTE: If the fuel injectors are leaking, the engine oil may
be contaminated with fuel. Check the oil for signs of
contamination and change the oil and filter if necessary.
NOTE: Use care in removing the fuel injector in order to
prevent damage to the fuel injector electrical connector
pins or fuel injector nozzles. The fuel injector is an
electrical component and should not be immersed in any
type of cleaner as this may damage the fuel injector.
IMPORTANT: Fuel injectors are serviced as complete
assembly only.
1. Disconnect the negative battery cable.
2. Disconnect electrical connector from fuel injector.
3. Remove the fuel rail. Refer to Fuel Rail Removal
Procedure.
4. Remove the fuel injector retainer clip.
5. Remove fuel injector assembly from fuel rail.
RODEO X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION
014RX035
014RX036
6. Remove O–ring from the fuel injector.
7. Remove O–ring backup from fuel injector.
Inspection Procedure
1. Inspect O–ring for crack, damage or leaks.
2. Replace worn or damaged O–ring.
3. Lubricate the new O–rings with engine oil before
installation.
Installation Procedure
1. Lubricate the new O–ring with engine oil.
2. Install the O–ring backup on the fuel injector.
3. Install new O–ring on the fuel injector.
4. Install all four injector on the fuel rail.
5. Use new injector retainer clip to retain the injector to
the fuel rail.
6. Coat the end of the fuel injector with engine oil.
7. Install fuel rail assembly. Refer to Fuel Rail
Installation Procedure.
6E1–403
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