Fuel Injector: Service and Repair

FUEL INJECTOR

REMOVAL

1. Release residual pressure from the fuel line to prevent fuel from spilling.

CAUTION: Cover the hose connection with rags to prevent splashing of fuel that may be caused by residual pressure in the fuel line.




2. Remove the delivery pipe with the fuel injectors.

CAUTION:
1. Be careful not to drop any injectors when removing the delivery pipe.
2. Be aware that fuel may flow out when removing the injector.

INSPECTION







1. Measure resistance between the terminal 1 and 2 of the injector.
2. If the resistance is not within specification, replace the injector.

INSTALLATION
1. Install a new grommet and O-ring on the injector.




2. Apply a coating of oil or gasoline to the O-ring of the injector.
3. Fit the injector onto the delivery pipe by twisting it to the left and right.




4. Be sure the injector turns smoothly.

NOTE: If it does not turn smoothly, the O-ring maybe jammed: Remove the injector and re-insert it into the delivery pipe and recheck.
If the O-ring is damaged, replace it.