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Automatic transmission rpm is fluctuating durning deacceleration

  

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2007 Hyundai Sonata limited 3.3L v6 when i bring car up to 40mph then let gas pedal go and let the car roll the rpm fluxuate up and down. Car shifts fine nothing wrong just does that. I don't know what it is causing that?


2 Answers
1

I assume there is no code. Start with cleaning the throttle body.


Yes, there isnt a code. Could it be a sensor?


It could be, but start with simple things.


0

Clean the MAF, throttle body, check the engine air filter. Check to see if there's any leaks. Do the simple and cheap things first.


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