For 1990-2009 cars

### Removal Procedure

Caution: Refer to Gasoline/Gasoline Vapors Caution in the Preface section.

Notice: Use care in removing fuel injectors to prevent damage to electrical connector pins on fuel injector and nozzle. The fuel injector is serviced as a complete assembly only. Since it is an electrical component, it should not be immersed in any type of cleaner. Support the fuel rail to avoid damaging other components while removing fuel injector.

1. Remove the fuel rail. Refer to Fuel Injection Fuel Rail Assembly Replacement .
2. Slide the fuel injector retainer clip off the fuel injector.

Important: Clean the fuel rail prior to removing the fuel injector.

3. Remove the port fuel injector assembly and plug the fuel injector port.

Important: Any time the fuel system is opened for service, the O-ring seals used with related components must be replaced.

4. Remove the fuel injector O-rings and discard.

### Installation Procedure

1. Lubricate the new fuel injector O-ring seals with clean engine oil and install on the fuel injector assembly.
2. Install the clip onto the injector prior to installing the injector to fuel rail.
3. Install the port fuel injector assembly into the fuel rail, with the fuel injector electrical connector facing upward.

Important: Press the injector into fuel rail until it clicks into the retainer clip.

4. Install the fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement .