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Old 12-17-2011, 12:43 PM   #25
dmustang
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Join Date: Feb 2008
Fan#: 53646
Location: Austin, TX, United States
What I Drive: 2008 Focus SE,2012 Focus SE

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I have a 2008 SE with about 147K miles and I've had rough idle that comes and goes but seems to be around more often lately. I'm used to it now, I've tried replacing spark plugs, grounding the throttle body(which actually helped with better pedal response) and cleaning the MAF(which also helped for a little while). Does anyone know how long a MAF lasts or if the MAf is responsible for the rough idle.
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