well I'am having idle problems , happen to me about 2 days ago I was on the highway on my way to home and when got off the highway to the first traffic light the engine was going crazy reving from 800 to 3000/2500 rpms? i though of the iacv replaced with a ls iacv and the dam thing still
this is what i just done
pull the intake and I put my finger in the trottle body lower port bypass and the engine idle was good steady at 800 rpm do u guys think is the fast idle thermo valve ? thanks

this is a 94 gsr

 

omg are u ppl serius I need help fast plz