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

148,895

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

Add photo

Related Questions

Search Oldsmobile Ninety-Eight Questions

Oldsmobile Ninety-Eight Experts

#1 Tom Demyan
Tom Demyan
Reputation 140
#2 Travis Willard
Travis Willard
Reputation 130
#2 Js08016
Js08016
Reputation 130
View All

Related Models For Sale

Used Buick LeSabre
11 Great Deals out of 2,343 listings starting at $1,795
Used Pontiac Bonneville
5 Great Deals out of 654 listings starting at $1,599
Used Cadillac DeVille
6 Great Deals out of 1,954 listings starting at $1,750
Used Chevrolet Caprice
175 listings starting at $13,998
Used Buick Regal
121 Great Deals out of 10,946 listings starting at $1,850
Used Buick Park Avenue
511 listings starting at $1,400
Used Lincoln Continental
3,713 listings starting at $42,294