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tranny will not up shift
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=88934
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Author:  jessejames [ Sat Jun 23, 2018 1:38 pm ]
Post subject:  tranny will not up shift

today the liberty CRD was driving fine then I stopped to get some fuel and now it will go to 40km and wont up shift unless i let off the gas pedal, now does it all the time, could this be the tps sensor or a speed sensor? Also the ABS light has been on for a couple of weeks, would that have something to do with it?

Author:  r1perk [ Sat Jun 23, 2018 2:56 pm ]
Post subject:  Re: tranny will not up shift

Wheel speed sensors, ABS, and TPS has nothing to do with the transmission.

If the engine has plenty of power, the trans will upshift depending on a number of things. The fact that you mention lifting your foot causes an upshift makes me think there could be a lack of power. This happened right after you refueled? Maybe the fuel is bad causing low power?

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