SunlitComet
OBS Jedi-Do Good
testing the cat chemically is not really not for you. you should really get to a shop for them to sick a gas analyzer on it. or just replace that rear on the left side as well to be quick about it only use a delphi or delco sensor. if the code reappears after wiping it out the cat assy must be replaced if the PCM (Powertrain control module)is foun not to be found at fault.
