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Old 09-04-2001, 01:08 PM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
The FI has a separate idle circuit switched in when the throttle closes. The ECU sets the idle speed by adjusting the injector flow. When the throttle opens back up, the switch opens, returning the ECU control to running mode, where fuel flow is determined by airflow. It sounds as though there may be an incorrect adjustment affecting the switchover - it may occur at too wide a throttle opening.

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