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Discussion Starter · #1 ·
I have just rebuit the engine in my car about two months ago. I put in new rings, bearings, and a e303 cam. When the engine warms up, it will start to rev at an idle. It will rev from 400 to 800 rpm, and sometimes it will just stall. Not sure what is causing this. Has anyone else had this problem?
 

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Did you do a search on surging idle and do those fixes?

SVT
 

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maybe a vacuum leaK>>>?
 

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I have read to take off and clean the IAC, located on the side of the throttle body. That did not really help with mine though. What did help mine was retard the timing to 12. Anything above that makes it run better, but, would not idle worth a flip and was hard to start. My AOD Stang has an E303 cam also.
 
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