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High rev when changing gears and idling i

My 2001 Hyundai elantra is revimg real high rpm's, does this at idle and when changing gears, I can use the clutch to help control this when driving, but when foot is off the clutch it revs at 4000 rpm's. I have changed the tps already and no improvement, cleaned throttle body as well. What could be causing this?

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luis

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  • 500 Answers

Check your butterfly it may be getting stuck or your plastic housing may be coming in contact with the butterfly. Also check your wire running from your gas pedal to your carborator.at a little wd40

Posted on Nov 16, 2017

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Anonymous

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SOURCE: idle at 1500 to 2000 rpm

Most likely the throttle body gasket (between the throttle body and the intake manifold) is leaking.

Posted on Feb 12, 2009

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Anonymous

  • 1 Answer

SOURCE: Erratic Idle problem in 91 accord

THE DISTRIBUTOR WILL CAUSE THIS PROBLEM IN A HONDA TRY A KNOWN GOOD ONE .

Posted on Apr 03, 2009

Anonymous

  • 5 Answers

SOURCE: 2500 to 3000 rpm idle

Change your Thottle positioning Sensor. My 93 lesabre did the same thing and i changed the TPS and it stopped.

Posted on Jun 25, 2009

Anonymous

  • 382 Answers

SOURCE: High Idle when shifting. It goes up and down idle on it own.

dear friend-the hyundai products has the future of returning to idle slowly so any changes wil not bring it down quicker unless you can find away to confuse the ecu.

Posted on Jul 20, 2009

Philip Armitage

  • 437 Answers

SOURCE: high rev problem

this problem I find in alot of 3.4 ltre grand-ams and that is the wiring go to the intake air temp sensor is broken at the connector. the wire will look good but in the insulation it will be broken. just give each wire a tug, if the wire pulls out then that is the broken one.

Posted on Aug 27, 2009

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