2001 Hyundai Elantra Engine raises

Tiny
DEEMARYL
  • MEMBER
  • 2001 HYUNDAI ELANTRA
Engine Performance problem
2001 Hyundai Elantra 4 cyl Automatic 93000 miles

My 2001 Hyundai Elantra GT has the check engine light on. It had happened previously too, but there were not other issues. The light would go off after some time.
But this time, after two days of check engine light, the car just raises automatically without me stepping on the gas. It raises and calms down in regular intervals (maybe a second high then low, again high and then low.). I somehow drove it home and had a tough time driving it. But it would drive smooth once it gains speed and changes gears (returns to normal RPM). Having problems at STOP signals, I have to literally stand on the brake pedal! Any suggestions?
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Saturday, April 25th, 2009 AT 5:26 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Chances are it is the throttle position sensor or the idle air control. If the check engine light is on, there is a code set in the computer. Take the car to a nationally recognized parts store and have them scan the computer. Most will do it for free, so there is no money out of pocket to determine which it is.

Let me know what you find or if you have other questions.

Joe
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Wednesday, April 29th, 2009 AT 1:10 PM

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