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Forum nameEngine Management Systems & Controllers
Topic subjectRE: 420a Idle is at 4000 RPM need help!
Topic URLhttp://forums.2gnt.com/dcboard.php?az=show_topic&forum=54&topic_id=5567&mesg_id=5568
5568, RE: 420a Idle is at 4000 RPM need help!
Posted by CODE4, Dec-31-69 06:00 PM
Perform a boost leak test (yes, I know you are not boosted). Pressurize the throttle body from an air compressor to be 100% sure you have no leaks. That is really the only reason I can see why you have such a high idle, especially since you mentioned you verified slack in the throttle cable.
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