what is p o420

Asked by Feb 01, 2014 at 10:30 AM about the Nissan Frontier

Question type: Maintenance & Repair

2 Answers

48,495

Cat converter is bad. Try changing out the O2 sensor first. If that doesn't work, you may have to change out your catalytic converter. Try rock auto for the cat converter. Usually the cheapest prices around unless you can score one on Ebay.

1 people found this helpful.
124,055

http://www.obd-codes.com/p0420 --- check this out. You might find the info helpful

1 people found this helpful.

Your Answer:

Nissan Frontier Experts

  • #1
    avatar666
    Reputation
    1,740
  • #2
    opetech
    Reputation
    490
  • #3
    jmcalafactor
    Reputation
    400
View All

Related Models For Sale

Used Toyota Tacoma
451 Great Deals out of 49,504 listings starting at $2,400
Used Chevrolet Colorado
278 Great Deals out of 38,935 listings starting at $1,500
Used Ford F-150
2,362 Great Deals out of 199,220 listings starting at $1,300
Used Nissan Titan
227 Great Deals out of 21,958 listings starting at $2,995
Used Chevrolet Silverado 1500
1,834 Great Deals out of 157,217 listings starting at $1,000
Used Ford Ranger
106 Great Deals out of 4,243 listings starting at $1,000
Used Toyota Tundra
462 Great Deals out of 37,891 listings starting at $1,750
Used GMC Canyon
113 Great Deals out of 15,309 listings starting at $2,750
Used Honda Ridgeline
72 Great Deals out of 8,638 listings starting at $3,499
Used Dodge Ram 1500
340 Great Deals out of 9,265 listings starting at $1,800
Used GMC Sierra 1500
828 Great Deals out of 60,509 listings starting at $1,495
Used Toyota 4Runner
240 Great Deals out of 33,616 listings starting at $1,995
Used Nissan Pathfinder
317 Great Deals out of 23,204 listings starting at $1,788
Used Dodge Dakota
76 Great Deals out of 3,024 listings starting at $1,982
Used Nissan Xterra
58 Great Deals out of 2,813 listings starting at $1,599

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.