what is p o420

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

Question type: Maintenance & Repair

2 Answers

35,725

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.
105,755

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 1,460
#2 FordNut
FordNut
Reputation 480
#3 opetech
opetech
Reputation 360
View All

Related Models For Sale

Used Toyota Tacoma
620 Great Deals out of 35,082 listings starting at $2,155
Used Chevrolet Colorado
276 Great Deals out of 19,365 listings starting at $1,995
Used Ford F-150
2,880 Great Deals out of 212,656 listings starting at $1,000
Used Nissan Titan
236 Great Deals out of 16,972 listings starting at $3,999
Used Chevrolet Silverado 1500
2,304 Great Deals out of 156,238 listings starting at $1,395
Used Toyota Tundra
623 Great Deals out of 30,696 listings starting at $2,637
Used Ford Ranger
209 Great Deals out of 6,719 listings starting at $1,450
Used GMC Canyon
106 Great Deals out of 7,947 listings starting at $2,800
Used Nissan Xterra
106 Great Deals out of 3,687 listings starting at $1,550
Used Dodge Ram 1500
536 Great Deals out of 12,998 listings starting at $2,199
Used GMC Sierra 1500
927 Great Deals out of 62,271 listings starting at $1,395
Used Nissan Pathfinder
407 Great Deals out of 25,072 listings starting at $999
Used Honda Ridgeline
117 Great Deals out of 7,575 listings starting at $4,995
Used Toyota 4Runner
328 Great Deals out of 20,882 listings starting at $1,990
Used Dodge Dakota
120 Great Deals out of 4,308 listings starting at $995