that what the shop told me replace the both cats and i already replaced 2 back sensors he said the other sensor were fine and diagnosis said none sufficiate cats but the car runs fine horse power and only when i start it up a little smoke then go away white smoke so if you have any advice to share i would appreciate it and what brand for cats? thanks rich. and my boxster has 161000 miles on it .
that what the shop told me replace the both cats and i already replaced 2 back sensors he said the other sensor were fine and diagnosis said none sufficiate cats but the car runs fine horse power and only when i start it up a little smoke then go away white smoke so if you have any advice to share i would appreciate it and what brand for cats? thanks rich.