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that fixed it but it still randomly miss fires at a red light and shake and fixs itself. but the main problem is when accelerating you and give it 3 quarter throttle and it baaarely wants to move and when you floor it it lags nasty untill 3500rpms and then takes off fast.
the IAC is sticking open, or you have a large vacuum leak...

i'd bet on the IAC, since it's not throwing a CEL.
 
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