hi nice site first post newbie sorry I am finding my way around here but why I joined is my idle speed I can;t find it ondecals on front end radaitor so anyone know 97 350 LT1 SHE IS A BEAUTY,AND FAST the idle when started is about 1k while mildly driving [ aka babyian it]I can't stay under 18k even ifI take foot on she just goes slows very little 323gears auto trans 20,100 milesI know she is aerodymatic but still shoud slow up been like this since baught 10 years ago now just trying to save alittle on gasThanks Stiletto

 

I had the same prob when i got my 97, have u tried cleaning the throttle body out, u can also wd-40 the throttle linkage. try the cheap stuff 1st it might just sovle ur problem....

 

stiletto a good cleaning of the iac motor is a very good place to start. use throttle body cleaner only!!!!! spray around all edges of the throttle plates, be sure to open them and get the backside and the bore itself and then a generous dose into the little hole in the bottom middle of the throttle body.

basicly the idle speed is computer controlled and not adjustable by the average joe. id check for vacuum leaks while your in there as this may be part or all of your problem. if after this you still have high idle id maybe have codes checked and let some professionals take a peek as you may have a sensor problem kurt