How can I tell which catalytic converter on my 1996 Buick Roadmaster is bad?

Asked by GRRL_PLZ Jul 26, 2013 at 11:03 AM about the 1996 Buick Roadmaster Limited Sedan RWD

Question type: Maintenance & Repair

I know one of them is bad. I replaced one about 4 yrs ago but cant remember which one. I
dont want to purchase the wrong part. Any help is appreciated! Thanks!

2 Answers

GuruWHMXG answered 5 years ago

Hi I have a question I have a 1992 Buick Roadmaster Limited what a motor is at is loud and it's backfiring when I drive my car and someone please tell me why a couple people said it was the Cadillac converter but I want to be sure before I buy it

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