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

Asked by Jul 26, 2013 at 11:03 AM about the 1996 Buick Roadmaster 4 Dr Limited Sedan

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

257,765

http://www.onlineautorepair.net/1/post/2011/07/testing-a-catalytic-converter-at-home.html

5 of 5 people found this helpful.
23,505

replace them both- "The high price of being cool"

Your Answer

Buick Roadmaster Experts

  • #1
    DanR63
    Reputation
    500
  • #2
    Rowefast
    Reputation
    290
  • #3
    Tom Demyan
    Reputation
    240
View All

Related Models For Sale

Used Chevrolet Caprice
198 listings starting at $9,995
Used Chevrolet Impala
538 Great Deals out of 35,327 listings starting at $900
Used Lincoln Town Car
48 Great Deals out of 1,750 listings starting at $1,000
Used Cadillac DeVille
1,560 listings starting at $2,995
Used Buick Regal
177 Great Deals out of 8,845 listings starting at $4,800
Used Buick LeSabre
15 Great Deals out of 1,757 listings starting at $750
Used Chevrolet Camaro
440 Great Deals out of 30,817 listings starting at $2,495
Used Buick Riviera
120 listings
Used Cadillac Seville
321 listings starting at $1,495

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.