RPM won't rev up more than 2000

Asked by Feb 11, 2019 at 07:55 AM about the 2015 Hyundai Sonata

Question type: Maintenance & Repair

Sometimes the car will drive normally - usually after sitting overnight.. Next
morning; the first drive will be ok but then the car will start giving me
problems. RPM won't go beyond 2000 rpm even if I am pressing the pedal
fully down.
If I turn the car off and on a few times and wait a while sometimes it will work
again for a while.
Mass air flow sensor was changed as was throttle Position sensor. The
mechanic cannot find the cause. (Engine light is on)
Any idea?
Thanks!

1 Answer

79,855

The car is under Hyundai's 5 year warranty. You shouldn't do anything to the car yourself, as this could give them an excuse to void your warranty. Take the car to Hyundai and demand this be fixed. If they can't check into the Lemon Law, if there is one in your state. Do not put up with this.

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