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Sensor Issue?

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Old 12-07-2010, 08:19 AM
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Sensor Issue?

Hi Guys, I just wanna say thanks in advance. Im looking for your help. I own a 2005 MT6 with 57720 miles on it. Spark plugs, coils, wires were replaced about 2k miles ago as well as the decarb service bulletin performed by dealership.. Oil and trans fluid replaced this weekend..

My question is, when I turn my car on from a cold start it idles at the usual 2k but after a few seconds the RPMs would go from 2k down to 1.5k back up all the way till it warms up... Even after it warms up and driven when its idled it still does the same but at much lower rpm.. my guess is 1k to 1.2k.

Few my buddies told me it could be my throttle body sensor. Honestly I dnt know much about vehicles. Im an aircraft mechanic but when it comes to vehicles I dnt know much. I wanted to get some opinions from rotary owners before I did anything. Thank u very much!
Old 12-07-2010, 07:56 PM
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no opinions?
Old 12-08-2010, 09:51 AM
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Try searching for hunting idle.
Old 12-08-2010, 10:47 AM
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thank u.. searched it up and I think neutral switch could be my problem.. imma have to test some **** out
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