I have a 1991 F-250 with a 5.0L engine that is idling way too high. Other than a vacuum leak (I can't find one) is there anything else that could cause this problem?
Another possibility is that there is an air leak where the gaskit is between the top/bottom of the carb.
denis
February 2007
I am not familier with your particular vehicle. However, is there an idle adjustment screw located on the carb - or perhaps one of your carb jets have worked loose, which are usually screwed into the inside body of the carb.
Dennis
February 2007
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