Car Problem Reports

Hyundai Sonata Check Engine Light Due to Faulty Accelerator Pedal Position Switch

Hyundai Sonata Problem
33 Reports
Me Too

Model Years Affected: 2004, 2005, 2006, 2007, 2008, 2009, 2010

Engines Affected: 2.4L 4 Cylinder, 2.7L V6, 3.3L V6

Average Mileage: 87,768 mi (12,000 mi - 178,000 mi)


Problems with the accelerator pedal position switch may cause the Check Engine Light to illuminate; an improved switch is available to fix this problem.

  • Visitor, , 2.4L 4 Cylinder, 120,000 mi

    Pedal will be all the way down to the floor and still only going 20mph and creeping. Every now and then the transmission doesn't know what gear to be in so sometimes it doesn't go to first of 4th gear.

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  • Visitor, , 3.3L V6, 106,000 mi

    I've been having the same problem with the accelerator pedal. I was driving on the parkway, going about 60 MPH, and suddenly the ESC OFF light came on and I couldn't get the car to go above 20 MPH. Very dangerous when driving on a crowded highway. I pulled off to the side and restarted the car. It happened several more times on my drive to work. Taking it to the dealer today.

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  • Visitor, , 3.3L V6, 49,850 mi

    while driving, the accelerator pedal suddenly stopped working and the 'check engine' light came on. the engine was still on at idle. i coasted to a stop, turned it off, and restarted. the accelerator started working, but the 'check engine' light is still on. not yet fixed.

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  • Visitor, , 3.3L V6, 79,000 mi

    CEL and ESC light on codes were throttle position sensor. Dealer replaced sensor cost $148.00 total.

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  • Visitor, , 3.3L V6

    While driving the engine malfunction and ESC lights came on and the car lost all power. I coasted to the side of the road and turned the car off, then on. The ESC light went off, but the malfunction light stayed on and continues to stay. The car seems to drive OK.

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  • Visitor, , 3.3L V6

    Had gas pedal replaced twice. This will be the third time. Car has only 38000 miles

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  • Visitor, , 3.3L V6, 70,000 mi

    ESL light and check engine lights keep going on and off.

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  • Visitor, , 2.4L 4 Cylinder, 145,000 mi

    I was stopped at a stop light and when I tried to accelerate as the light turned green, it felt like the engine lost power and made a little bit of a whirring noise with no acceleration. As this happened, the engine light came on. I turned the car on 3 times after the incident and the acceleration seemed to work fine each time (I was able to drive on the highway and everything, maybe by the grace of God)... but the check engine light never turned off. I went to my mechanic today to get a diagnosis. Apparently, it was the accelerator sensor. We called the dealer and they said I have to replace the entire pedal. Bummer.

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  • Visitor, , 3.3L V6, 138,025 mi

    Changed the oil next day check engine light came on

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  • Visitor, , 3.3L V6, 44,500 mi

    Check engine light the accelerator pedal low voltage and esc

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