Question

2004 Kia Optima 16 valve what can cause code P0507? How can it be fixed?

Answer 1

Hi there,

This code indicates an issue with the idle air control system. Here is a list of possible causes.

P0507 KIA - Idle Air Control (IAC) System RPM Higher Than Expected
Read more: https://www.autocodes.com/p0507_kia.html