Originally Posted by
martysmartie
It's either an air leak or ISCV causing the fast idle!
If you can unplug the valve, if the revs drop (or stalls) then the valve is opening to far giving this speed!
I am sure the ST would have a ISCV?
Martin
as mentioned previously in the thread they dont have iscv's they have a fly by wire throttle that carrys out the functions of the iscv and throttle position