I have an 04 hyundai sonata and everytime i put gas i have to press the gas pedal for it to start and have it presses so that it can go on its own and now recently its starts to accelerate by itself
5

Asked by lily341 Mar 04, 2016 at 10:38 AM about the 2004 Hyundai Sonata FWD

Question type: Maintenance & Repair

the car starts to accelerate without the gas pedal being pressed and it doesnt very often now i stopped driving it cuz i dont want it to break more anyone know what it might be

1 Answer
65,590

firebird338 answered 8 years ago

Check air filter and replace if necessary, clean throttle with throttle body cleaner and add fuel injector cleaner to gas tank and check for vacuum leaks.

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