» » »

Kia Q&A

Ask Your Question

2003 Kia Optima Question: where are the diagnostic proceedures mentioned in reference to DTC0421



litltex, 2.4L 4 Cylinder, Belton, TX, June 18, 2013, 14:02

the blog mentions there is a diagnostic proceedure to find out if the catalytic converter is bad, I was unable to find it

1 Answer
Flag This