1991 Ninety-eight oldsmobile sedan Car passed emission 25/25 test but fail two parts under 50/15 test co%1.68 allowed 0.63 fail. NQ ppm 891 allowed 853 failed. What is needed to pass emission?

Asked by Jul 28, 2015 at 08:05 PM about the 1991 Oldsmobile Ninety-Eight 4 Dr Regency Elite Sedan

Question type: Maintenance & Repair

1 Answer

You mean NO or NoX when you say NQ? That's the job of EGR. ....CO, carbon monoxide-- You might need a new catalytic convertor.

Your Answer:

Oldsmobile Ninety-Eight Experts

  • #1
    Travis Willard
    Reputation
    160
  • #1
    Js08016
    Reputation
    160
  • #3
    Tom Demyan
    Reputation
    140
View All

Related Models For Sale

Used Chevrolet Caprice
146 listings starting at $1,350
Used Buick Electra
13 listings
Used Lincoln Continental
32 Great Deals out of 3,121 listings starting at $23,995
Used Cadillac Eldorado
293 listings starting at $2,995
Used Cadillac DeVille
1,263 listings starting at $2,000
Used Buick LeSabre
1,259 listings starting at $1,750

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.