2003 Dodge Dakota rpm increase at highway speeds

2003 DODGE DAKOTA
60,000 MILES • V8 • 4WD • AUTOMATIC
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TRUMERY
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What causes the engine rpm's to increase at hwy speeds without depressing the accelerator further?

The rpm's will increase from 2,000 to 2,500 and return
immediately without any pedal movement.
May 4, 2010 at 6:37 PM
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JACOBANDNICKOLAS
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  • ASE Certified Mechanic
Does the engine rpm increase and the vehicle speed not?
May 9, 2010 at 5:09 PM
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