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

44,300

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
    3,900
  • #2
    Masud Haider
    Reputation
    2,570
  • #3
    jmtnh
    Reputation
    2,500
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Toyota Highlander
29 Great Deals out of 602 listings starting at $8,799
Used Honda CR-V
136 Great Deals out of 4,778 listings starting at $2,888
Used Acura MDX
23 Great Deals out of 763 listings starting at $2,995
Used Toyota 4Runner
20 Great Deals out of 439 listings starting at $13,888
Used Ford Explorer
51 Great Deals out of 2,262 listings starting at $5,950
Used Honda Odyssey
37 Great Deals out of 873 listings starting at $108
Used Toyota RAV4
141 Great Deals out of 2,646 listings starting at $2,495
Used Chevrolet Traverse
23 Great Deals out of 817 listings starting at $5,995
Used Nissan Pathfinder
44 Great Deals out of 1,545 listings starting at $3,495
Used Chevrolet Tahoe
11 Great Deals out of 663 listings starting at $4,998
Used Toyota Sequoia
50 listings starting at $16,995
Used Honda Accord
52 Great Deals out of 879 listings starting at $3,495

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.