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-   -   2014 Jeep GC Summit MPG Problem (http://www.jeepgarage.org/f107/2014-jeep-gc-summit-mpg-problem-74012.html)

mpc67 04-14-2014 12:08 AM

2014 Jeep GC Summit MPG Problem
 
I brought my GC in to the dealer for some software/firmware updates a couple of months ago. One of the updates had something to do with the transmission. Since then, my transmission shifts horribly (has a bad delay when I initially hit the pedal), and my gas mileage has plummeted to 12.5MPG around town (6cyl). Prior to the update, around town was approx 19MPG. Anyone else experience anything similar? Appreciate your feedback...


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