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yeah, sounds like something might be dirty
or possibly a TPS sensor going bad. if its throwing random voltages because of failure, the car is basically going nuts
if you have a multimeter or whatever that checks voltage, unplug your TPS, turn the ignition on, not the car. test for .5 volts at idle, and I THINK 4.5 volts at full throttle. I am not sure on the 4.5 volts number, but regardless, it should smoothly increase as you open the throttle.
or possibly a TPS sensor going bad. if its throwing random voltages because of failure, the car is basically going nuts
if you have a multimeter or whatever that checks voltage, unplug your TPS, turn the ignition on, not the car. test for .5 volts at idle, and I THINK 4.5 volts at full throttle. I am not sure on the 4.5 volts number, but regardless, it should smoothly increase as you open the throttle.