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Message: <blockquote data-quote="akaslick15" data-source="post: 966713" data-attributes="member: 13914"><p>so its a 94 mustang gt auto so i just recently just got this problem so i went inside the gas station and as i hear my car i had thought sombody was revving it lol sounded like it was camming  the car was warm not cold so i went in the car and the rpm was going down to 450 to 1000 up and down up and down lol like 10 times then it died its popping a little from the exhaust and misfiring .. i recently changed the wires.did the fuel filter.cleaned the maf. spark plugs are about 8 months old but look good .. im thinking iac or vac leak..what do you guys think.and whenever the car is in park then drop to D somtimes it will idle so low like 350 and somtimes it will just die same as reverse. what do you guys think?? thanks.car is stock ..except for a exhaust.but everything is stock..</p></blockquote><p></p>