Focus mechanical question

JOB

Member
My daughter has a 2007 Focus; she lives 300 miles from me. In the last two days the car is starting to idle fast like 2500 and up to 3500. It will do this at start up and also not idle down when she comes to a stop. Does this car have a throttle return spring, or could it be sticky throttle butterfly? Or could it be something else, anyone has any suggestions.
Thanks for any help or suggestions on this.
 
The sprig is a thought as I believe there is a butterfly like device on the intake to control air thru the MAF sensor.
Another though would be a vacuum line off.
 
While she was here this weekend we took of the air cleaner to be able to get to the turn signal bulb that was blown. At the bottom of the air cleaner was a hose nipple that did not have a hose on it. I looked to see if I could find a hose to connect to the nipple and could not see one. Think that could be it?
 
Could be a leaky intake manifold gasket.......High idle on my Saturn at 1500 rpm. Was caused by this. Then it caused a engine error condition and had to be fixed by a dealer. That car was a piece of crap.
 
I know on the wifes pacifica about every 50000 miles I HAVE TO CLEAN THE THROTTLE BODY.

It will not return to idle and seems like you coast at 50 mph.Also it is hard to push,clean and good to go.'

Dont know if a focus has a throttle sensor as someone has already spoke of but might go to an auto site and get better feed back
 
Air cleaner was good, has a device that tells you when to change it and it is still reading green.
 
most of those cars, are drive by wire , no throttle cable or linkage. if no vacuum leaks then it could need a throttle body, but with out checkin scan data and dtcs youd just be shooting in the dark
 
I am leaning towards a leak and if that is not it a throttle position sensor. Daughter is going to have someone make sure there is no leak tomorrow (friday). Hopefully that will fix it the problem is intermitent. Thanks for all coments
 
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