Quote:
Originally Posted by pbonsalb
Why did you need 2 primary cats and 4 O2 sensors at 5 years and 39k miles? Did you buy the car used? If so, I’d guess the previous owner ran catless downpipes and was a hack mechanic or used a hack mechanic. If you have owned the car since new, I am at a loss as to why or how you would need those parts.
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Said the cats were not flowing freely and the 02's had residue. I did admit i ran fuel injector cleaner frequently and that is a no no i guess. I run only 93 gas thru it.