Question about 2002 Kia Rio

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Rough idle, check engine light on. Kia Rio 1.6 L 2005

Idles rough, ok at higher rpm . plugs look like fuel is rich

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  • 88 Answers

Could be many things but it sounds like your idle air control valve. It should be on top of the throttle body. I'm not sure on this vehicle. It is a accordian like diaphragm in a housing, They get clogged with carbon. Usually attached with 2 bolts and a sensor connector. Easily cleaned out with carb. cleaner. This will throw a code if the diaphragm is letting too much or too little air in to the fuel mixture. It may also be a vacuum leak. You can spray very short burst of ether around the intake manifold, if the engine races you have a vacuum leak. I have never had a fire but have always had a fire extinquisher within reach . USE COMMON SENSE.
Good luck. p.s. DON'T SMOKE AND KEEP CHILDREN AWAY!

Posted on Jan 23, 2013

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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

stormbrewin
  • 426 Answers

SOURCE: kia rio 2001 has no current to fuel pump engine cramks ok

Try replacing or swapping fuel pump relay its in the main fuse box close to the battery

Posted on Jan 10, 2009

  • 1 Answer

SOURCE: 2002 KIA Sedona running rough

i may have an answer for you i have an imported v6 3.8 it has recently developed similar problem, i have been looking on www.kiatech.com whcih is very informative, there is a technical bulletin on my model (06) that refers to possibility of faulty o2 sensors which may or may not be the cause of the problem, it also gives me part numbers, check out the site look up your own model it may give you the answers
you can check out the main manuls or look up past technical bulletins (tsb)
good luck

Posted on Mar 24, 2009

  • 85 Answers

SOURCE: 2002 kia sedona 3.5l has rough idle replaced plugs wires and coil

this vehicle has coil packs for the ignition correct? have you ran the engine at night with all surrounding lights outs so its really dark. spray a mist of water on the coil packs and spark plug wires to see if you have spark/voltage leaks jumping out from them. sometimes the tiny sparks will be so fine and skinny you can barely see them so it needs to be dark. hope this helps your trouble shooting. a coil pack could have such a fine crack for the voltage to leak from that you cant see it.

Posted on Jun 13, 2009

  • 172 Answers

SOURCE: engine stall

Fuel fiter or spark plugs?

Posted on Aug 12, 2009

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Its hard to say exactly with out looking at it .But if it idles ok I would tend to think its not the basic electrical system .
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I have a Kia Rio 2005 Cinco( 5 door) Running really rough until I push down gas pedal,,, Then it seems lOk still a little r bogged down', It doesn't stall just runs rough without accelerration? Oxyg


To begin with, is your "check engine (CE)" light on? If it was on and now its not, you need to replace the bulb. If CE lights is on, find out the codes before doing anything. If bulb is good and "CE" does not come on, begin with: (1) gapping spark plugs, (2) replace spark plug wires (if haven't changed them within the last 2), then the coil. If your Cinco is still idles rough, adjust gas pedal until idling smoothly. If this still doesn't help, replace your two oxygen sensors. If still running rough, the converter. After doing all this and problem is still present, take it to a mechanic you trust.

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It can be issue with low fuel pressure,the fuel pump is getting old both needs to be checked.Also get the IAC valve checked.
Go through the related help links with similar problem,it may help:---
Click the links below:---
Engine Idles Rough and Dies? http://whatisbyme.blogspot.in/2012/05/1994-lexus-es300-engine-idles-rough-and.html

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van idles rough? http://howtobyme.blogspot.in/2012/01/2004-ford-freestar-van-idles-rough.html

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runs lean and idles rough? http://technoanswers.blogspot.in/2012/02/ford-runs-lean-and-idles-rough.html

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Car still runs Rough after tune up?

http://howtobyme.blogspot.com/2011/12/car-still-runs-rough-after-tune-up.html

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2006 kia rio runs rough http://technoanswers.blogspot.com/2012/10/2006-kia-rio-runs-rough.html

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Idle flair is noticed on car? Rough idle? car will not idle? Erratic idle speed? http://technoanswers.blogspot.in/2012/02/idle-flair-is-noticed-on-car-rough-idle.html

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Rough idle, staling and Erratic shifting? http://technoanswers.blogspot.in/2012/03/rough-idlestaling-and-erratic-shifting.html

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These details will help.
Thanks.

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1 Answer

Idles rough has power f150


If exhaust is rich, you may have excessive fuel getting dumped into cylinder(s). A sicking or leaking fuel injector can cause this. How many miles are on the engine? Improperly seating valves can cause this also. Or if timing is incorrect.

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My 2005 Rio sat for roughly 2 months. I suspect that the E10 fuel has absorbed water. The engine idles rough and at times will die. This was never a problem before the car lacked use. How can I drain the...


If tank got no drain plug either remove fuel sender/pump from top of tank & pump out & clean with rag on a wire (long & tedious) or remove tank & do the same

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Engine stall


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