Question about 2000 Kia Sportage

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Rough idle It's idling rough. Drives fine, but have a rough idle when sitting still. What is it?

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  • Kia Master
  • 906 Answers

Sounds like a tune up will fix it. its must likely a bad spark plug or ignition wire

Posted on Dec 19, 2014

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6ya6ya
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Posted on Jan 02, 2017

landsend
  • 1066 Answers

SOURCE: 2002 Kia Rio runs rough when idling

well spend some change and have a simple tune-up.  Plugs and filters and readjust the idle.

Posted on Apr 01, 2009

jturcotte
  • 7710 Answers

SOURCE: My sorento 04 has engine light on as well,

Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Posted on Oct 09, 2010

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ROugh idle


there are 2 things that usually cause this, one is a dirty intake idle control valve and the other is hard engine mounts, I would say that both most likely apply to your car. try cleaning the intake with the following procedure from Ford.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

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