rough idling,sometimes,1993 Aerostar

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  #1  
Old 01-14-02, 12:15 PM
Deltadudey2k
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Question rough idling,sometimes,1993 Aerostar

Installed doublePlatinum plugs,new fuel & airfilters. did all the cleaning advised to do.Changed Transmission fluid.It runs great and reduced fuel consumption by 20% Now after idling for a few minutes it" surges" of "lunges" not every time but more than 50%. What have I done? What can I do?
You have helped before know you can again. Thanks, Deltadude
 
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Old 01-14-02, 01:17 PM
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Join Date: Jan 2002
Location: Chicago
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It sounds like a vacuum leak, or some sort of intermitent connection...but I'm not a "real" mechanic...
 
  #3  
Old 01-14-02, 02:59 PM
Joe_F
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Surging at idle ("hunting") on most Fords is a bad idle air control valve or gunk in the throttle body.

Look at my post "The Basics" and run the code check as outlined at www.batauto.com

BTW: Regular Motorcraft plugs listed for this would have been fine. No need to shell out the greenbacks on those expensive plugs
 
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