V6 engines may experience surging while driving. The condition is more noticeable between 40 and 50 MPH while accelerating up a hill/slight incline. Replacing the powertrain control module (PCM) and updating the transmission control module (TCM) software may be required.
Average mileage: 91,033 (10,700–124,000)
10 people reported this problem
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Will not shift while going uphill on the expressway. Van will only drive 40-50 mpg
haven't fixed it, looking for solution...dors a little better by manually shifting back tp 3
My car doing the same as the report says at 40 to 50 miles ruffens
the same at 40 to 45 mph engine surges
While in sixth gear at 40 mph the van bucks. If I downshift to fifth it is fine and the problem dissapears.