Topaz FWD L4-140 2.3L CFI (1987)
Exhibit 2 Injector Removal and Installation Procedure
Disassembly
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Disconnect battery for 5 minutes.
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Remove the fuel injector retaining screw and retainer.
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Remove the injector assembly and the lower O-ring (the O-ring may stay on the injector seat).
Caution:
Be sure to remove the lower O-ring carefully (do not use a screwdriver because it could damage the throttle body injector seat).
Assembly
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Clean the throttle body O-ring seat.
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Lubricate the new lower O-ring and the injector seat area with clean engine oil.
Caution:
Do not use transmission oil.
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Install the lower O-ring on the throttle body seat.
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Lubricate the upper O-ring on the injector with clean engine oil.
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Install the injector by centering and applying a steady downward pressure wfth a slight rotational force.
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Install the injector retainer and retaining screw.
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Tighten the retainer screw to 2.0-2.5 N-m (18-22 in.lbs).
Injector Leak Check Procedure
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Reconnect the battery.
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Turn the ignition key to the "ON" position for 5 seconds.
Caution:
Do not start the engine.
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Shine a flash light on the boftom part of the fuel injector housing where the tip of the fuel injector is exposed.
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Shine a flash light on the top part of the fuel injector housing where it mounts into the throttle body.
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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 1, Page 1).
Exhibit 3 2.3L CFI Engines
2.3L CFI ENGINE
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.
Engine "OFF"
