Tempo L4-140 2.3L CFI (1985)
Retract the ISC Motor
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In the engine compartment, find the self-test connector and self-test input (STI) connector.
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Connect a jumper wire between self-test input connector and signal return pin on the self-test connector.
Exhibit 3 Page 2 of 3 Emissions Recall 89E78 Repair Code "A"
HARDSTOP (THROTTLE STOP ADJUSTING SCREW) RPM SETTING PROCEDURE (CONT.)
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Turn the ignition key to "RUN" position. DO NOT START THE ENGINE.
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The ISC plunger will retract in 5-15 seconds.
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Disconnect the ISC motor from the wire harness.
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Return the ignition key to the "OFF" position.
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Then remove the jumper wire.
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Turn the engine "ON".
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Warm up the engine to Normatl Operating Temperature for 2-3 minutes.
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Turn all accessories off, check the hardstop RPM (cooling fan off) in Neutral (MTX) for proper RPM's.
(Refer to chart below).
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Turn the throttle stop adjusting screw for hardstop adjustment.
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Turn the engine "ON".
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Reconnect the ISC connector.
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Reconnect the air induction tube (flex tube) completely.
