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Topic Review (Newest First)
05-05-2016 03:33 PM
Elizabeth
Quote:
Originally Posted by Delkath View Post
So I called my dealership letting them know of the rough idle and they said, emphasis on THEY said, the Focus models tended to have issues with the factory clutch which results in a rough idle. I am going to take her down on 5/10/2016 to have them check it out. I'll let you all know what they come back with. But yeah, mine just started the rough idle at about 1700 miles and im at 2200 now. I remember feeling a big jolt at one point while I was at an idle and that was seemingly the beginning of my rough idle.
I have 11,000 miles on my 2014 ST3. I would mention the car will naturally 'loosen up' some. Tight and smooth feeling when you buy it, the parts, like motor mounts, break in, and a bit of the actual engine vibration starts to reach the cabin.
This is normal IMO (at least for Ford Focus) If you are used to a higher luxury brand car, the Focus is, after all, just a Focus,and will have vibrations and such as it breaks in. I can notice idle vibrations sometimes. Mostly in the steering wheel. Does not bother me one tiny bit. IT is normal as can be. A Ford is not a top of the line Mercedes! (it may seem like a high end sport hatch. but in fact is is a tinsled up econo car.. Seriously. A Hell of a fine handling one. but still an econobox at heart.)

Another thing you may notice is tapping/clattering sounds just coming to a stop. The high pressure fuel injectors seem to have two modes. One they clatter a lot. The other they get rather quiet. Sometime I can hear the loud mode when stopping. It usually vanishes after a few seconds at idle. Zero to worry about.

One point I would suggest is try a different brand of gasoline. The brand, or the particular station, may have not so great Premium gas.
Trying a few tanks of another major brand of Premium gas might help/(If so, then the problem was the gasoline)
05-05-2016 03:22 PM
sailor Prob. better to post in the ST section, there aren't any shared drive train parts between the ST and the MkIII's in this thread.
05-05-2016 01:33 PM
Delkath
Same here on 2016 Focus ST

So I called my dealership letting them know of the rough idle and they said, emphasis on THEY said, the Focus models tended to have issues with the factory clutch which results in a rough idle. I am going to take her down on 5/10/2016 to have them check it out. I'll let you all know what they come back with. But yeah, mine just started the rough idle at about 1700 miles and im at 2200 now. I remember feeling a big jolt at one point while I was at an idle and that was seemingly the beginning of my rough idle.
10-01-2013 08:56 AM
FordService
Quote:
Originally Posted by dldsm7 View Post
...I will be talking to the dealer next time I roll by.
Good idea, dldsm7. Let us know what you hear; if you need any help from me, I'll be here. :)

Crystal
09-30-2013 02:06 PM
dldsm7 with the 5 speed MT, I hear a slight rattle when I have the windows down coming from the passenger side. It is most notable when you drive past objects and the sound bounces back into the car. I haven't noticed it while stopped at lights, but probably because I am not usually at stoplights. I have a 2013 with ~600 miles.

I will be talking to the dealer next time I roll by.
09-30-2013 01:05 PM
FordService Hi everyone,

If you're concerned about something you're experiencing in your Focus, your best course of action is to have your dealership perform an inspection. I'm always happy to do what I can to help as well; send me your information in a PM and I'll research options. I'll need you to include the following in your message: name, daytime phone number, mileage, VIN, and preferred servicing dealership.

Crystal
09-29-2013 02:12 PM
Kabigon I often experienced rough idle when the car was newer.
Now it does it very rarely if at all.
09-29-2013 02:10 PM
Kabigon
Quote:
Originally Posted by wavsine View Post

That is totally normal. That's the throwout bearing and it makes a rattling noise when the clutch pedal is not depressed.

That's not correct.
Eurofordfan correctly identified the source of the noise.
09-29-2013 01:42 PM
focusstu Since the rough idle happens at warmer temps with a warm engine, you might want to check this thread: 5 Minute throttle response/DCT solution? The problem might have to do with warm air getting into your inlet.
09-29-2013 01:13 PM
TboneZX3 The gear rollover noise is common to the MTX75 transmission at idle. My 2001 does it, and my 2012 does it also to a lesser degree. The dual-mass flywheel in the MK3 Focus helps improve it over the older models. As already stated, it is completely normal and of no concern. My 2001 has been doing it since the day I bought it new, and it still shifts perfectly 130,000 miles later.

I also had rough idle when my 2012 was new. It completely went away by 10,000 miles.
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