Question about 2007 Mercury Mountaineer

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My 2007 mountaineer started to shake while is running in iddle and while acceleration, once is running around 2,000 rpm it does run fine. the check engine light went off and now is flashing

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  • crystal b Mar 14, 2012

    did you ever learn what the issue was? mine is doing the same thing, but mines not throwing a light - and 3 mechanics have 3 different ideas of what it could be. thanks!

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  • 376 Answers

Your problem could be something as small as a vacuum hose that could have come of or broke.To get a better idea of whats going on take your car to a local auto parts store and have them retrieve the codes from the computer .These codes will point you in the direction you need to go to fix you situation.If I had the codes I could help a little more with your problem.

Posted on Mar 16, 2011

  • crystal b Mar 22, 2012

    mines not producing any codes, ive had mechanics test drive it with the computer connected even, nothing registers.. we believe its a coil issue now.. but the mechanic doesnt know which one.. Im no mechanic, but isnt there another way to test which ones going bad? this guy says he need to wait for the problem to register on the computer to know

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