2003 kia vibrates after warmed up

Asked by Jul 22, 2014 at 03:54 PM about the Kia Rio

Question type: Maintenance & Repair

car 2003 rio seems ok cold and rpm 1000, after warming up vibrates and rpm around  650

3 Answers


Try cleaning your idle air control valve. Here's a short how to video: http://www.youtube.com/watch?v=jgbTdyeaWbM

1 of 1 people found this helpful.

I replaced IAC, maf. even had a garage do test for leaks. changed plugs, wires etc. it's ok when cold but vibrates when warmed up


Try replacing the ambient air temp sensor. I know that it relays info to the computer which regulates idle.........

2 of 2 people found this helpful.

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