2006 Sonata 3.3 v6 107k Miles Throttle Problems

Asked by Dec 31, 2012 at 05:44 AM about the 2006 Hyundai Sonata LX

Question type: Maintenance & Repair

2 weeks ago I jumped in my car to go to work started no problem pulled out of the driveway and down the street. Pulled away from the stop sign and down to the next, this time when I stepped on the accellerator nothing, RPM stayed at +/- 900 I stepped on the break put in reverse abd backed up a few feet at idle, into Drive again still no pedel responce. I made a slow U turn at idle into a parking space parked it and went home for my truck. When I got home after work I parked by the car started it fine and drove home normal pedal responce, plugged in my code reader and it showed a bad Throttle Position Sensor (TPS) foot pedal. Ordered a new one and installed it cleared the code and it drove fine for a week. Last night I jumped in the car to go to work (I work graveyard shift) and didnt even get out of the driveway, same thing no pedal responce just idle speed.
My question is "is there more than 1 TPS on my vehicle?" or is there another issue that would throw the code of bad TPS? No I didnt have time to check the codes today.
Thanks,
Matthew

1 Answer

64,975

Your truck has an accelerator position sensor. Instead of having a throttle cable your truck uses this sensor to tell the computer how hard you're stepping on the gas pedal. The computer then opens & closes the throttle plate(s) accordingly. Sounds like this sensor is bad. The sensor is hooked directly to the gas pedal. Rockauto has a listing for about $120.00 + shipping. It's the whole sensor & pedal assembly. HTH. -Jim

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