P0420 code

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

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
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
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Friday, May 26th, 2017 AT 3:23 PM

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