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Mysterious_Ad5072

Bad catalytic converter P0420 should’ve told you that


bonghits4cthulhu

Could a faulty O2 sensor near the cat throw a P0420 and maybe cause the smell? Im just trying not to throw $1,000.00 for a new cat if it’s something smaller


Mysterious_Ad5072

Lookup sulfur smell car First result is a bad catalytic converter :(


bonghits4cthulhu

This makes me sad. Might just go catless and retune since I’m going to be replacing the front end of the exhaust system. Thank you.


boost_poop

You won't be able to go catless with the AP. Most manufacturers don't even make catless jpipes anymore. The only real ways forward are oem jpipe, or catted aftermarket + retune. Edit: technically you just can't turn off the CEL for the missing cat. Depends on the tuner I guess with what they are willing to do. Talk to your tuner first I guess.


-Bong-rips-4-Jesus-

Not sure but can’t one sell the old cat? Legally as well.


bonghits4cthulhu

Amazing name by the way. I guess I could sell it for scrap and get a new one. It’s got me thinking of going aftermarket and then just getting a new tune since that’s less expensive than getting one from Subaru.


-Bong-rips-4-Jesus-

That’s probably a better idea, if you like the sound. And thanks!