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Idle speed way to high


skunx

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Hey this is my first post, im hoping you guys can help me. I got my motor running but it idles around 3500 rpm. how can i adjust the idle through megasquirt? i have not idle control valves or anything like that. could it be a vacuum leak?

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Congratulations on getting your engine running on MS! Although it is something that many of us have done it is still an accomplishment to be proud of.

 

Now after figuring out all of the technical details of Megasquirt, I find it hard to believe that you can't figure this one out.

 

Really, if you don't have an idle valve or anything then it has to be something external to MS. Likely a huge vacuum leak or your throttle stop isn't adjusted properly on your throttle body. The only way MS could change your idle speed is by changing the mixture but that would only slightly alter it, if your idling at 3500 RPM the you have something external to MS wrong.

 

Toolshed?

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