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Nissan
Maxima
Trouble Codes
P Codes (Powertrain)
P0400 - P0499
P0420
P0420 code
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
KEN L
MASTER CERTIFIED MECHANIC
47,256 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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