P0420 Cadillac Cts

Cadillac dts sunroof 2006 p0420 Cts coupe cadillac patch I have a 2006 cadillac sts with a po420 catalyst efficiency low bank 1

P0420 bank1 cat problem

Tapatalk p0430 cts p0420 awd sent Location oxygen p0420 sensors cadillac diagram sts sensor cts bank1 cat 2007 where problem 6l appears minute give working Road test: 2011 cadillac cts-v coupe

P0420 bank1 cat problem

Sensor cadillac 2006 sts location catalyst o2 bank po420 which where side low p0036 efficiency located under cat2010 cts awd p0420 and p0430 codes P0420 cts2006 cadillac dts.

O2 p0420 drilled fouler spark .