Engine running rough and service engine light on.Error code says that Cylinder #5 was misfiring. What should I do to fix this?

Asked by Oct 24, 2013 at 06:24 PM about the 1999 Buick Park Avenue Ultra FWD

Question type: Maintenance & Repair

1 Answer

73,845

If it has over 100,000 miles on it do a complete tune up. If it's not due for a tune up check the spark plug and spark plug wire on cylinder 5. If all is ok there then compression test cylinder 5. You should get a reading of about 150psi or higher. HTH. -Jim

Your Answer

Buick Park Avenue Experts

  • #1
    Jking1838
    Reputation
    1,170
  • #2
    jateen29
    Reputation
    920
  • #3
    Tom Demyan
    Reputation
    770
View All

Related Models For Sale

Used Buick LeSabre
6 Great Deals out of 1,593 listings starting at $899
Used Chevrolet Impala
543 Great Deals out of 33,345 listings starting at $1,499
Used Cadillac DeVille
1,424 listings starting at $2,695
Used Buick Regal
142 Great Deals out of 6,602 listings starting at $3,995
Used Buick Century
723 listings starting at $2,500
Used Lincoln Town Car
21 Great Deals out of 1,608 listings starting at $1,690
Used Buick Riviera
94 listings
Used Mercury Grand Marquis
19 Great Deals out of 1,572 listings starting at $1,000
Used Pontiac Bonneville
441 listings starting at $1,500
Used Chevrolet Monte Carlo
7 Great Deals out of 1,238 listings starting at $1,585

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.