Question about Ford Focus
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Posted on Jan 02, 2017
several things can do this but most likely would be
1 TPS trottle postion sensor = replace
2 stuck butterfly valve inside the trottle body = clean out with trottle body cleaner try to get most of the black build up with a old tooth brush
3 bad trottle cable= feel the cable make sure it moves freely if not replace it
Posted on Feb 28, 2009
SOURCE: my ford windstar 2001 act
Mine idled rough but didn't throw any codes. It was suggested to be the idle air control valve, so I took it off and used carb cleaner to clean it out. I sprayed it, let it sit, then wiped it out, then repeated a few times. I also worked the valve back and forth and let the cleaner get in all the nooks and crannys. It helped considerably. Taking the IAC valve off is very simple. Its only held on by 2 bolts. Trying a $2 can of cleaner sure beat replacing it for $65.
Posted on Apr 11, 2009
i have the same noise with my 2001 Expedition i have not fixd it but i do know its coming from the air intake,i think its the air filter making this noise try moving it around or take it out and see what happends,i took it out and it stoped but i out it back in and its still making it im gonna buy i new one and replace it.
Posted on Oct 18, 2009
Testimonial: "hey thanks, but I guess the idle control valve I bought was faulty, so I took it back replaced it and the noise is gone. "
may need 1 0r more coil packs replaced,or it could be what happened to my 2000 4.6---1 lifter expanded out and wouldnt collapse,causing the rocker arm to fall out of place and the valve could never open...try unplugging 1 coil pack at a time while running and listen for a change in the way it runs,if there isnt a change then its probably a bad coil pack,find a cylinder that runs and swap the coil packs,if no difference then its probably the valve staying shut.
Posted on Nov 22, 2009
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