This vehicle excelerates and decelerates in the.

Tiny
ANONYMOUS
  • MEMBER
  • 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 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 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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