Electrical problem
2002 Buick Rendezvous 6 cyl Two Wheel Drive Automatic 80,000 miles
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I am driving down the road and my car goes without hitting the gas pedal. I put it in neutral and the rpm's shoot up to 4. What could be wrong with the car?

Clean out the throttle body/plate-look for a kinked accelerator cable, check the idle air control valve and the throttle position sensor.