Having problems with your 2004 Kia Optima ?
Where is the Kia Optima oxygen sensor located on the car?
Repair Help & Product Troubleshooting for 2004 Kia Optima
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.