2001 mustane idle problems? - Mustang Evolution

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Old 12-12-2011, 05:45 PM   #1
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Join Date: Dec 2011
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2001 mustane idle problems?

I am having trouble with my 2001 mustang. The first thing it is doing is when I start it, it the rpms keep raising and lowering and the car revs up then stops. After that when I put it in drive it either dies or almost dies unless I push on the gas quick. Last but not least I am getting horrible mpg. I have swapped out the tps, neutral safety switch, and spark plug, I have also cleaned the throttle and IAC a little. Any help would be greatly appreciated. Thanks!

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Old 12-12-2011, 06:08 PM   #2
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Posts: 40
2001 mustane idle problems?

1 there must be a vacuum leak, a 60 dollar smoke test will show where the vacuum leak is.

2 this explains the high and erratic idle /./.........

3 Look into Seafoam- for 8 bucks it cleans the valve seats
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