P0420 code

2006 NISSAN MAXIMA
225,000 MILES • 6 CYL • FWD • AUTOMATIC
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DAVID SUTTON
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My car started to shake for about two seconds and then a P0420 code came up. Would a bad catalytic converter cause this?
Thanks
May 23, 2017 at 4:09 PM
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STRAILER
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Hello,

Yep that is what that code is for, it sounds like it has failing apart but to be sure please follow this guide and get back to us.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter


Please let us know what happens, we are interested too see what it is.

Cheers, Ken
May 26, 2017 at 3:23 PM