Thread: Cats and O2s
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Old 11-30-2018, 09:02 AM   #1
Erza Scarlet
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Join Date: Nov 2018
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Default Cats and O2s

So I have an 09 Saturn Outlook Ive replaced all three catalytic converters and all O2 sensors. When I get into bumper to bumper traffic that night or the next day I still am getting the p 420 code and p 430. I have replaced and fix cracks n leaks. I don't know what else can be the problem. It's been in the shop for a whole month as well when fixing and trouble shooting. Prior to fixing the cats /O2 it melted the air intake.

If there's a thread I missed with this issue please comment the link
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