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savage ... 1/20/2018

2007 Mercury Mountaineer Base 6 Cyl 4.00L

Transmissions & Drivetrains

jerks and hesitates between 45-60 mph

It's a v-6 4.0 sohc first off, the site won't change it for some reason. My truck always hesitates and jerks at between 45-60 mph especially when going uphill. It will continue to do so until you push the gas pedal substantially. Could it be my overdrive, my torque converter or what. Need answers or help pin pointing areas so I can fix or get looked at, my main worry is that it will get worse, or wreak my truck. PLEASE HELP!!!!!!! It feels more like a transmission/gear issue rather than an engine issue if that helps narrow things down a little.

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