Catalytic convertor
140

Asked by Steven Apr 04, 2017 at 08:41 PM about the 2000 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

Is there anything out there that you can use to clean a convertor?

1 Answer

F_O_R answered 7 years ago

There are fuel additives that claim to clean the catalytic converter but I would be skeptical of such claims. I suspect they are mostly just fuel system cleaners. Once a cat goes bad all you can do is replace it.

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