Trying to find the location of bank one sensor 2 02 sensor.
Oct 31, 2019 at 10:55 AM
Code p0421
2004 HYUNDAI SONATA
DARTANIAN BENSON
- MEMBER
- 1 POST
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SCGRANTURISMO
- ✓ASE Certified Mechanic
- 4,897 POSTS
Hello,
I have included the information that you requested in the diagrams down below. Direct Trouble Code[DTC] P0421 is a DTC that sets when your Catalytic Converter has used up it's expected life span and needs to be replaced. I have included the directions on how to replace a catalytic converter below in the link.
https://www.2carpros.com/articles/catalytic-converter-replacement
Please go through the guide and get back to us with how everything turns out.
Thanks,
Alex
2CarPros
I have included the information that you requested in the diagrams down below. Direct Trouble Code[DTC] P0421 is a DTC that sets when your Catalytic Converter has used up it's expected life span and needs to be replaced. I have included the directions on how to replace a catalytic converter below in the link.
https://www.2carpros.com/articles/catalytic-converter-replacement
Please go through the guide and get back to us with how everything turns out.
Thanks,
Alex
2CarPros
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Oct 31, 2019 at 1:01 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.