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Old 09-12-2012, 12:51 PM   #290
newedge32v
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Join Date: Jan 2012
Location: Nocturnal Wonderland
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Re: Hanging/Slow dropping RPM FIX inside.

Quote:
Originally Posted by TRbetngu View Post
My mach has this same problem. Ill be driving and then Ill come to a stop and the RPMs will be at 1500, almost 2000 in some cases, and then after sitting there for maybe 4-5 seconds it drops down to like 600 and almost wants to die. Will the NC plate help?
Mine did the same exact thing until I decided to replaced the IAC with a new one from Ford for about $100 or so. I cleaned the original IAC with brake part cleaner, but still didn't work. I guess it was real sticky?
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