My check engine light is on for a 2011 Honda Pilot and the diagnosis says P0420. What does it mean and how can be fixed?

Asked by GuruCX3LQ Feb 15, 2019 at 09:38 AM about the 2011 Honda Pilot EX-L 4WD

Question type: Maintenance & Repair

My check engine light is on for a 2011 Honda
Pilot and the diagnosis says P0420. What
does it mean and how is it fixed?

2 Answers

42,830

That code P0420 means there is something wrong with either the catalytic converter or the O2 sensor. Google that code for more information and a You Tube video fix.

1 people found this helpful.

Cold weather can trigger that code as might be a rich fuel mixture. Mine went away in a day on its own

Your Answer:

CarGurus Experts

  • #1
    Rowefast
    Reputation
    3,830
  • #2
    Masud Haider
    Reputation
    2,510
  • #3
    jmtnh
    Reputation
    2,330
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Toyota Highlander
36 Great Deals out of 790 listings starting at $7,995
Used Honda CR-V
193 Great Deals out of 5,012 listings starting at $440
Used Acura MDX
38 Great Deals out of 888 listings starting at $4,995
Used Toyota 4Runner
25 Great Deals out of 528 listings starting at $7,990
Used Honda Odyssey
30 Great Deals out of 829 listings starting at $2,495
Used Ford Explorer
70 Great Deals out of 2,022 listings starting at $3,333
Used Toyota RAV4
117 Great Deals out of 3,078 listings starting at $3,900
Used Nissan Pathfinder
34 Great Deals out of 1,681 listings starting at $380
Used Honda Accord
50 Great Deals out of 998 listings starting at $2,995
Used Toyota Sienna
48 Great Deals out of 624 listings starting at $2,499
Used Chevrolet Tahoe
12 Great Deals out of 841 listings starting at $698
Used Toyota Sequoia
3 Great Deals out of 49 listings starting at $14,999

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.