Having problems with your 2005 Nissan Quest 3.5 ?

I'm getting a P0420 on my Nissan. What do I have to do to fix it?

Posted / edited by AnonymousUser on : 20-05-2019

Answers :

It depends on what the main problem is.
Code 420 is for a problem with the catalytic converter. The converter is not working correctly, but the actual reason would need to be investigated. It could be the cat itself, or something else like the exhaust system or fuel system.
Repair Help & Product Troubleshooting for 2005 Nissan Quest 3.5

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