Anyone know if catilac converter cleaners work?
Hi I have a po421 code and can I afford to replace my Cadillac converter? Anybody know if the Cadillac Cleaners work?
- PearlLv 76 months ago
i would try it and see and then you'll know
- hotstuffktrLv 66 months ago
Contact a local junk yard and see if you can buy a used one.
- RickLv 46 months ago
Never heard a positive OR negative comment before, so let me know how it works; sure would be cheaper then a new one. BUT, did you check your O2 sensors ?? THEY report on the cats performance to the cars computer ..................
- Pearl LLv 76 months ago
i would talk to a mechanic and see what they say