Focus Fanatics - View Single Post - 2012 Focus - Rough Idle
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Old 12-20-2011, 02:37 PM   #26
gearhed67
Focus Rookie
 
Join Date: Dec 2011
Fan#: 92936
Location: bristol, CT
What I Drive: 2012 black s

Posts: 6
FF Reputation: 1 gearhed67 Good Standing Member
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I bought a '12 focus s 5 speed a few months ago and have the same issues. Bogs down on take off unless you slip the clutch more than I like. It definately scared me the first time I tried to hop into traffic. The other thing is the rough idle. Yes with the normal idle its a little rough but certainly not a concern but occasionally I get a drop in idle to about 350 rpm, not "normal". I did a little research on this and on the 2011 models there is a technical service bulletin for this exact sympton. I forgot to grab the printout I had of it with the tsb # but it listed the rough/low idle present with or without DTC's. The repair was to replace the throttle body. I dont know if this is the same exact problem but the tsb only applies to 2011 models. I have 10,000 miles on mine but I have yet to take it back to the dealer about this. If anyone has access to alldata or something you could post the tsb info. If not I will try to grab it tomorrow.
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