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Hello: I need some help with my 03 Sonata V6. Throttle wants to ramp up.
When accelerating (driving or parked) to 1500rpm engine will gain speed to around 2300rpm and then ramp down to the 1500 mark. If I accelerate to around 2000rpm the engine automatically revs up over 4000. Had code P0221 TPS faulty. Replaced TPS and have same problem. Looking for some input.
 
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