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  • Truck Troubles?

    91 Dodge Dakota 318 Magnum V8 automatic, 4X4 167,000 miles. Why is the overdrive jumping in and out, in and out at 45 mph and up. Not as noticeable when I get on the gas but when I let up and coast it kicks in. With the overdrive off it drives fine? Also truck has a fluctuating idle. Not sure if it is related. Any help would be appreciated. Truck is on the Sale block unless we can figure it out.

    Things I have done to the truck.

    Tune up- plugs,wires, cap and rotor.

    Throttle positioning sensor.

    4 AnswersMaintenance & Repairs1 decade ago