Topaz L4-140 2.3L CFI (1985)
Shine a flash light on the bottom part of the fuel injector housing where the tip of the fuel injector is exposed.
Shine a flash light on the top part of the fuel injector housing where it mounts into the throttle body.
Does the injector leak?
YES --> Remove and reinstall the injector and use a new lower O-ring (Possibly the lower O-ring was damaged or rolled over during installation).
Repeat the leak check.
NO --> Refer to the Modification Procedure summary (Attachment I, Page 1).
Throttle Stop Setting Procedure
Exhibit 3 - Emissions Recall 89E78 - Repair Code "C"
HARDSTOP (THROTTLE STOP ADJUSTING SCREW) RPM SETTING PROCEDURE
NOTE:
THIS PROCEDURE IS NEW AND REPLACES ALL PRIOR PROCEDURES.
REMINDER:
Battery must be disconnected for 5 minutes before proceeding.
1. ^ Engine "OFF"
^
Remove the air induction tube (flex tube) completely.
^
Locate the tamper resistant cap and remove it.
2. Retract the ISC Motor and adjust the Hardstop Idle Setting.
^
In the engine compartment, find the self-test connector and self-test input (STI) connector.
^
Connect a jumper wire between self-test input connector and signal return pin on the self-test connector.
^
Turn the ignition key to "RUN" position. DO NOT START THE ENGINE.