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92 GSX misfire at idle


Proven Member
Jan 24, 2011
Hattiesburg, Mississippi
My 92 gsx seems to have a misfire at idle. Just bought the car. Ive replaced plugs, iac valve. Retuned tps, and set base timing yo 5deg btdc. Car runs fine once you start driving but idles really rough. Any ideas? Also car will seem to stutter or hesitate if you hit throttle while at idle
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