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Message: <blockquote data-quote="mikkok" data-source="post: 737056" data-attributes="member: 12791"><p>I noticed poor idle in my 96 GT when AC is on! Idle is ~800 rpm for 10sec. and then it jumps. into ~1200 for a 0,1 sec. and again runs nicely about 10 sec. and jumps again to ~1200 rpm for a 0,1 sec.! When AC is not in use (OFF or in VENT position), car runs idle like it should! I bought new IAC-motor and it made no difference! There is no leaks in intake before TB (K&N CAI installed, and all hoses are tight). DO you guys have any suggestion what might be wrong in my car?</p></blockquote><p></p>