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Trans slips in high gear


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2 replies to this topic

#1 OFFLINE   Jesselee

Jesselee

    New Flex Member

  • Ford Flex Members
  • 3 posts
  • Region:Mexico
  • Location:Loreto Baja California Sur
  • Current Vehicle:2009 ford flex

Posted 27 May 2016 - 06:52 PM

Hey Guys and Gals,I bought a 2009 Flex with 101,000 miles on it and have put on another 12,000 . I love this car. About two weeks ago while cruising at about 60 mph and at about 1,800 rpm I started up a grade and when I started to compensate by slowly adding some gas the trans started to jerk a little. It has started to do it now on a flat road way. But only in high gear. Any ideas on what might be the problem? I might ad that I live in Loreto, Baja California Sur. No Ford shop around. Thank you in advance for the help.

#2 OFFLINE   Jesselee

Jesselee

    New Flex Member

  • Ford Flex Members
  • 3 posts
  • Region:Mexico
  • Location:Loreto Baja California Sur
  • Current Vehicle:2009 ford flex

Posted 02 June 2016 - 07:12 PM

WOW, well this sucks. Nothing?

#3 OFFLINE   Jesselee

Jesselee

    New Flex Member

  • Ford Flex Members
  • 3 posts
  • Region:Mexico
  • Location:Loreto Baja California Sur
  • Current Vehicle:2009 ford flex

Posted 20 July 2016 - 05:18 AM

Well it turns out that the transmission wasn't slipping at all. The engine was misfiring when under a load at low RPM.There was a small hole in the insulator of one the spark plugs that caused the spark plug to ground out to the block.It was more noticeable in overdrive. Everything's good again.






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