Question about 1993 Ford Econoline
Did you change the one way valve in the vacuum line going to the booster. It is supposed to keep vacuum in the booster all the time. If it does not your engine will have to lose much more vacuum when you hit the brakes. If this is not the problem try increasing your idle speed. Cleaning your carb/trotle body with throttle body cleaner will also help. You can get this at any auto supply store
Posted on Aug 19, 2010
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Posted on Jan 02, 2017
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