P0420 code

2006 NISSAN MAXIMA
225,000 MILES • 6 CYL • FWD • AUTOMATIC
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DAVID SUTTON
  • MEMBER
  • 3 POSTS
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
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
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
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