Ford Focus Forum, Ford Focus ST Forum - View Single Post - ZETEC Engine stumble - SOLVED
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Old 01-23-2008, 04:41 PM   #82
andrewnico
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Join Date: Mar 2005
Fan#: 20612
Location: rockford IL
What I Drive: 2000 sedan z-tech

Posts: 9
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I had the same code p0171 and the auto trans was shifting bad,jumping in to gear when downshifting and I found the problem was a loose band clamp on the intake between the air filter and intake right on top and easy to get to. It works fine now. Wow that could have cost a lot if I went to a transmission shop !!!

Change the oil- fill the tires - and drive it till it breaks-thats my idea cuz if you take it in for work you will pay more than the car is worth over the years.
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