Fuel Injector: Service and Repair

PRE-REMOVAL OPERATION
1. Fuel Line Pressure Reduction
2. Battery and Air Intake Hose Removal





REMOVAL STEPS
1. High-pressure fuel hose connection
2. 0-ring
3. Injector harness connector
4. Fuel rail
5. Injector connectors
6. Retainers
7. Injectors
8. 0-rings
9. 0-rings

INSTALLATION SERVICE POINTS





Injector Installation
1. Apply a small amount of clean engine oil to the 0-ring.

CAUTION: Do not let the engine oil get into the fuel rail.

2. While turning the injector to the left and right, install it to the fuel rail.
3. Check to be sure that the injector turns smoothly. If it does not turn smoothly, the 0-ring may be trapped, remove the injector and then reinsert it into the fuel rail and check again.

High Pressure Fuel Hose Connection
When connecting the high pressure fuel hose to the fuel rail, apply a small amount of engine oil to the hose union, and then insert, being careful not to damage the 0-ring.

CAUTION: Do not let the engine oil get into the fuel rail.

POST-INSTALLATION OPERATION
1. Battery and Air Intake Hose Installation
2. Fuel Leakage Inspection