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
AUTOMOTIVE REPAIR CONTRIBUTOR
54,176 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.