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Old 09-25-2012, 03:47 AM   #1
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Unnecessary revving during gear changes and at stops

Hello fellow FOCUS owners/enthusiasts/experts.

I had a question. I am not much of a car person so I hope it is not a stupid one. I am the proud owner of a Silver 2004 SVT Focus 5-door. Purchased it January 2012 and it is a whole lotta fun. It is not turbo or supercharged but it runs awesome.

Recently, I noticed that the car seems to rev up when I am trying to change gears. As soon as I take the foot off the gas pedal and press the clutch, it seems like it is pumping gas and make a loud revving sound (although it doesnt affect my control of the car.) this is especially true at lower gears. Not much an issue when I going from 4th to 5th or from 5th to 6th gears. Also, sometimes when I come to a stop at a STOP sign, It revs hard once...but the car is at a complete stop and my foot is OFF the gas pedal. None of the warning lights on my dashboard come on when this happens. In fact none of the warning lights have ever come on since I purchased this car.

Someone told me it might be the "idle air control valve" (?!). Or, is it some kind of sensor that is attached to the clutch that is not doing what it is intended to do? I would be grateful if someone here can guide to as to what I should focus on instead of completely relying on a mechanic to "diagnose" the issue :) Something tells me this is a common problem in cars but I was unable to find a solution to this yet. Thanks for your time.


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Old 09-25-2012, 01:40 PM   #2
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What about your idle when you start the car? Is it good? If yes, its probably not your Idle Air Control Valve.
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Old 09-25-2012, 02:02 PM   #3
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I had a similar issue I cleaned the throttle body and poof gone..
2000 Turbo Zx3
2003 Pitch Black SVT
2000 SPI 220k miles all original THE UNICORN
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Old 09-25-2012, 08:51 PM   #4
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stuck throttle body, vacuum leak, stuck idle air control valve.

Droste Drummer. Droste like Frosty.

00" Red ZX3: Volant, ported throttle body, titanium wrapped SVT header, 2.5" exhaust, Magnaflow res/muffler, FR UDP, Mac cam gears, Lowered 2", Koni's.
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