cleaning a cat coverter

5

Asked by Jul 28, 2014 at 11:47 AM about the 1998 Pontiac Grand Am 2 Dr SE Coupe

Question type: Maintenance & Repair

suspect cat clogged can it be cleaned or bypasssed

2 Answers

233,365

They cannot be cleaned or bypassed legally.

605

The old school units could actually be refilled with catalyst, I doubt that yours can. And as Tom says, it is illegal to bypass.

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