Re: High idle on cold start up, hesitation, etc....
Hmm. On an N/A I am not sure. The usual solution is to spray soapy water on your intake pipes / vac lines and look for bubbles. I would just at the least visually inspect everything, including the MAS mesh, make sure everything is plugged in, then go from there.
__________________
2002 WJ -- 1994 VR-4 -- 1993 ZJ --Canon Rebel XTi
 |