2001 Hyundai Accent acceleration

2001 HYUNDAI ACCENT
41,000 MILES • 4 CYL • 2WD • AUTOMATIC
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PAULINHAHL
  • MEMBER
  • 1 POST
i've just got a huynday accent 2001 and my car is accelerating all by itself... i took to the mechanic and they replace the idle air control valve but it didnt work.. it is still not working properly .
Nov 21, 2008 at 12:52 PM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
Sounds like you have a faulty TPS (throttle positioning sensor). The TPS offers variable resistance depending on the winding or unwinding of its actuator. When you goose the throttle, or take your foot off the gas, the TPS tells your vehicle's computer where the throttle is. If it is failing, then it could be sending wrong signals to your vehicle, causing it to move the throttle (accelerate) when you are not actually wanting it to.
Nov 21, 2008 at 1:11 PM
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