Around highway speeds (50-75mph) while pressing the trottle vehical shaking horribly, once I let off the gas the car runs smooth and again press gas just slightly the car shakes again. Thinking the transmission. I have had motor and tanny mounts replaced at 70k, now at 83k and having another shaking problem.
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2004 Kia Sedona Question: Front end shaking while pressing throttle
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