what is p o420

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

Question type: Maintenance & Repair

2 Answers

37,625

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 out of 1 people think this is helpful.
108,905

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

1 out of 1 people think this is helpful.

Your Answer

Add photo

Search Nissan Frontier Questions

Nissan Frontier Experts

#1 avatar666
avatar666
Reputation 1,520
#2 opetech
opetech
Reputation 370
#3 jmcalafactor
jmcalafactor
Reputation 320
View All

Related Models For Sale

Used Toyota Tacoma
504 Great Deals out of 39,894 listings starting at $1,995
Used Ford F-150
2,255 Great Deals out of 209,705 listings starting at $1,499
Used Chevrolet Colorado
220 Great Deals out of 23,476 listings starting at $1,395
Used Nissan Titan
169 Great Deals out of 18,883 listings starting at $3,950
Used Chevrolet Silverado 1500
1,753 Great Deals out of 170,135 listings starting at $1,800
Used Toyota Tundra
501 Great Deals out of 34,165 listings starting at $3,000
Used Ford Ranger
186 Great Deals out of 6,019 listings starting at $1,750
Used GMC Canyon
72 Great Deals out of 8,062 listings starting at $2,699
Used Nissan Pathfinder
276 Great Deals out of 22,290 listings starting at $2,250
Used Dodge Ram 1500
448 Great Deals out of 11,375 listings starting at $700
Used GMC Sierra 1500
798 Great Deals out of 67,166 listings starting at $2,700
Used Nissan Xterra
103 Great Deals out of 3,501 listings starting at $1,000
Used Honda Ridgeline
67 Great Deals out of 6,968 listings starting at $4,600
Used Dodge Dakota
114 Great Deals out of 3,883 listings starting at $1,000
Used Toyota 4Runner
281 Great Deals out of 20,895 listings starting at $1,995