P0011 2015 Chevy Equinox Equinox p0420 properly smarter lighter P0420 chevy equinox issue and solutions to fix properly P0420 Chevy Equinox Issue and Solutions to Fix Properly - UNCRD LAC P0420 Chevy Equinox Issue and Solutions to Fix Properly - UNCRD LAC Check Details ← P0011 Chevy Equinox 2011 2012 Chevy Equinox P0014 Code → Share with friends Link copied