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2009 Ford Focus S 4dr Sedan

2009 Ford Focus
Trim Info:
Front Wheel Drive, 4 Door Sedan, Compact
24 mpg city / 35 mpg hwy
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April 15, 2012, 2:15 pm

AutomotiveForums M

Question: What is wrong with my 2006 Ford Focus?

I have a 2006 Ford Focus ZX4, SE, 2.0L. It idles rough with loud vibrations. More importantly though, it recently has been stalling as I slow down to stop at a light or make a turn. It turns back on, but it is just getting more frequent as time passes. The check engine light turned on finally and the code said P0171, bank 1 and lean. I replaced the oxygen sensor and it's still happening. I also replaced the MAF sensor and checked for any valve leaks and found nothing. Can someone please tell me what may be the problem with my car? I am out of ideas.


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