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Old 01-20-2012, 03:03 PM   #11
ebrunke
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Hey all, i was hoping you could assist in my problem. I have a 2001 automatic ZX3. every time i hit the gas past 2000rpms and let go, the engine will continue to accelorate untill 3500rpms. I have to either throw it in neutral or tap on the accelorator and it will catch itself and be fine. If i dont pay attention i will hit the person infront of me. i cant find this exact problem online. My mechanic cleaned the throttle body but it wasnt that dirty. the car worked fine for a few months and then came back worse than ever. what do you think is wrong?
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Old 11-13-2012, 07:43 AM   #12
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Originally Posted by beekeeper View Post
We have a Ford Focus, 2005. There is no problem during the summer, but when winter comes the accelerator will begin sticking. When my wife leaves for work it will be fine, but down the road, 3 to 15 miles the accelerator pedal will begin to stick, bad enough to make driving scary. My guess is that it is the cold that affects it. I've had it happen to me and it is a problem. We have to press hard to make it go (slowing down is not a problem) but pressing hard it will break free and speed up too fast.

Any ideas?
I have nearly exactly the same problem. Does anyone have an idea as to why the accelerator sticks after (in the origninal poster's case) 3 - 15 miles of driving? If it's due to cold weather, wouldn't it act up right away and maybe even lessen as the engine warms up?
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Old 11-28-2012, 06:30 AM   #13
whynotthinkwhynot
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HOLY OLD THREAD FROM EONS AGO!!!!

Yeah, this thread is 2yrs old guys. Check right above the avatar and you'll see the date of the post. Typically I ask that members start their own threads on their problems even if a thread seems to be the same issue. Seems to be, and is the same issue is not the same thing. For example: ebrunke is having problems with an 03 Focus. The sticky throttle body problem is associated with the plastic TB 05+ models not the earlier Focis.

Ebrunke, I think your problem is the throttle cable. You should pop the hood, work the throttle by hand, and see if it sticks, if it doesn't, have someone work the throttle in the car. If that still doesn't cause it to stick, then you should start checking out vacuum. Your engine is known for having issues with the PCV vacuum line, and that typically causes idle issues which might explain your uncontrolled acceleration- although that's the first I've heard of that problem doing that exactly.

Blue Rocket: you too have an SVT, so not the same issue as the 05+ Focis- however it could still be, so be sure to check out that TB and clean it. Now follow the advice I gave Ebrunke and see if the cable is sticking. If not, then start checking out vacuum. You also have things like the DSI clip to check out, but IIRC, that causes stumbling in high rpm acceleration. I would check out that PCV, although I don't think SVTs are suspect for that particular Zetec issue caused by the PCV vacuum line being run too close to the exhaust.

Both of you should consider starting your own threads though, as you can see, same basic result, but since you have different engines, it is most likely due to a different cause. Thanks.
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Old 11-28-2012, 06:36 AM   #14
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On a side note, most of our regular users who can give good advice will not respond to new comments in old threads, but you'll get a plethora of advice by starting your own thread. If you need help doing that, then run your mouse over my avatar and open the menu, scroll down to "Send Private Message to Whynotthinkwhynot" and I'll respond ASAP. Thanks again.
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Old 12-11-2013, 06:24 PM   #15
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Problem is butterfly valve jamming shut in air intake even after cleaning and lubricating. Quick fix is to remove linkage cover at cable end and give the throttle stop plate on lever arm a twist up with vise grip or pliers toward stop pin. Idle will rise slightly, but valve won't close hard enough to jam. Simple five minute fix, no cost.
 
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