i would'nt think that the black spot on drive way would have to do with your idle. Hmm but black spot? lots of carbon build up in the system mabby.
And I cant find antyhing rong with mine..... Ive checked when its cold and hot. its been -10 here for few days i belive thats cold enough ;p And all my lines are good no leaks. So if anyone could help me on my same probem that would be nice.. (no check engine light).
Last edited by Steven01 : 11-18-2008 at 10:49 PM.
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