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Old 08-25-2009, 11:47 PM   #47
Drives: 1970 Chevelle
Join Date: Jul 2009
Location: Kansas City
Posts: 10
I wonder if this problem has something to do with the Active Fuel Management (AFM) that drops cylinders in order to save a couple miles per gallon on the gas mileage. Is it possible that for some people, that AFM is a few hundred milliseconds slow reacting to the WOT sensor or whatever else disables it to allow the engine to operate at peak performance?
Is there an easy way to temporarily disable AFM, without hurting anything, so that it would not even try to drop cylinders at all?

Just a thought....
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