My 2002 ford focus has a high idle on start up..
I bought a 2002 Ford Focus..and it started having a
problem with the idle. When I start it up it revs high.
And slowly works it's way back to normal.. and
very occasionally it sputters at stops or it might
die.. and also when sitting at a red light sometimes
it idles so high the car trys to move.. I got a feeling
this is related to each other.. what would cause
Carbon builds up inside the throttle body and IAC causing idle issues , use some special throttle body cleaner. Check youtube for some video's.
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