2002 Hyundai Elantra This Vehicle Excelerates Decelerates Park Idle Position

2002 HYUNDAI ELANTRA
99,000 MILES
Avatar
ANONYMOUS
  • MEMBER
  • 1 POST
This vehicle excelerates and decelerates in the park (idle) position. What is the problem? Thanks.
Oct 25, 2012 at 3:24 PM
Advertisement
Avatar
KHLOW2008
  • ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
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.
Oct 25, 2012 at 3:54 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.