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2004 Nissan Murano 6 Cyl DOHC with engine code P0420. What does this code mean?

Vehicle: 2004 Nissan Murano 6 Cyl DOHC

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Hi there,

This code means the catalytic converter on bank 1 is not cleaning the exhaust as well as it should. In most cases a new converter will be required to resolve the problem. This is the bank closest to the firewall on the engine.
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P0420 NISSAN Code - Catalyst System Efficiency Below Threshold Bank 1
Read more: https://www.autocodes.com/p0420_nissan.html

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