2002 Yukon Denali check engine light flashing

Asked by Nov 12, 2018 at 12:15 PM about the 2002 GMC Yukon XL Denali 4WD

Question type: Maintenance & Repair

2002 Yukon Denali check engine light started flashing 12
times then stays on then flashes again 12 times. Just had
the muffler replaced, and now it runs like crap.

1 Answer

197,845

Have the codes checked anyway. Sometimes when exhaust work is performed if there is any weakness in the O2 sensors they go away.

Your Answer:

GMC Yukon XL Experts

  • #1
    MikeDaGeek
    Reputation
    3,490
  • #2
    TK76
    Reputation
    550
  • #3
    G A Arne
    Reputation
    480
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Suburban
14 Great Deals out of 455 listings starting at $7,980
Used GMC Yukon
10 Great Deals out of 938 listings starting at $5,000
Used Cadillac Escalade ESV
12 Great Deals out of 234 listings starting at $9,988
Used Chevrolet Tahoe
19 Great Deals out of 837 listings starting at $5,999
Used Ford Expedition
12 Great Deals out of 525 listings starting at $6,995
Used Cadillac Escalade
16 Great Deals out of 613 listings starting at $2,900
Used Lincoln Navigator
10 Great Deals out of 166 listings starting at $4,999
Used GMC Sierra 2500HD
26 Great Deals out of 1,589 listings starting at $5,495
Used GMC Sierra 1500
99 Great Deals out of 9,586 listings starting at $599
Used Chevrolet Silverado 1500
129 Great Deals out of 10,998 listings starting at $3,000
Used Cadillac Escalade EXT
14 listings starting at $5,995
Used Ford F-150
314 Great Deals out of 13,530 listings starting at $2,000
Used Toyota Sequoia
8 Great Deals out of 140 listings starting at $8,950

Used Cars For Sale

2020 GMC Yukon XL Denali 4WD For Sale
170 listings starting at $79,789
2019 GMC Yukon XL Denali 4WD For Sale
60 listings starting at $74,992
2018 GMC Yukon XL Denali 4WD For Sale
13 listings starting at $58,948
2017 GMC Yukon XL Denali 4WD For Sale
19 listings starting at $50,987
2016 GMC Yukon XL Denali 4WD For Sale
28 listings starting at $42,714

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. Content will be removed if CarGurus becomes aware that it violates our policies.