THIS VEHICLE EXCELERATES AND DECELERATES IN THE ...

  • Tiny
  • Anonymous
  • 2002 Hyundai Elantra
  • 99,000 miles

This vehicle excelerates and decelerates in the park (idle) position. What is the problem? Thanks.

Thursday, October 25th, 2012 AT 3:24 PM

1 Answer

  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

A fault with the idle control system would result in surging rpms while idling. It could be leaking vacuums, a faulty IAC, lack of coolant, clogged coolant to IAC.

If the Malfunction Indicator Light is showing, retrieve the trouble codes and let us know what it is.

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Thursday, October 25th, 2012 AT 3:54 PM

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