Originally posted by SVTJON87: ok i had really really bad hang. it would rev up from 2 grand to 4 grand by its self when coasting. and stay there until i stoped. i replaced the iac 2 times. fixed it for about 3 weeks both times. and i just took it to a shop and they found nothing wrong. i was pissed. i got the car back and it wasnt doing it anymore. but it comes and gose. would the plug help with this bad hang? o and the car is a 99 svt
yes
98.5 Black SVT with 34k miles Build #5683 Born on 4\15\1998
WR Headers GMK CAI
Blaupunkt system fiberglass tweeter pods
L.E.D. tail lights in the works
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