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Old 03-21-2015, 06:42 PM   #1
BR3W CITY
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Join Date: Sep 2009
Location: MKE WI
Posts: 7,128
Re: crank variation relearn

Depends how far out of sync the cam and crank sensors end up, which will depend on the cam. Most of the time its not "needed". Forcing a crank relearn is something to consider if it wont't fire, or throws repeated crank and misfire MIL's, without ever running. Sometimes people who have tripped VATS reported having to do it after, but thats only speculation.
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