☰
AutoCodes.com | All About OBDII Engine Codes
Find a Shop |  Ask Auto Expert
Ask a Question

P0420 Nissan -

0 like 0 dislike
354 views
by

I've changed the cat and front sensor and codes still showing. Any suggestions?

Vehicle: 2006 nissan note se 1.4

1 Answer

0 like 0 dislike
by (13.6k points)
HI there,

Change the rear O2 sensor. If it's reading wrong it can cause the fuel mix to be to rich for the converter to clean and it will cause the 420 converter code. Also, if it's not reading right it can cause the code on it's own.

Related questions

0 like 0 dislike
1 answer 1.1k views
Code P0420 on 2014 Nissan Versa Note?
asked Jan 1, 2019 by Lcowan (101 points)
0 like 0 dislike
1 answer 486 views
P0420 2005 Nissan Altima Sedan -
asked Jun 28, 2018 by
0 like 0 dislike
1 answer 267 views
P0420 2006 Nissan Maxima -
asked Jun 10, 2018 by
0 like 0 dislike
1 answer 292 views
P0420 2006 Nissan Altima Sedan -
asked Apr 27, 2018 by
0 like 0 dislike
1 answer 525 views
P0420 2006 Nissan Maxima -
asked Jun 30, 2017 by

33.7k questions

32.5k answers

1.3k comments

23.0k users

Need A Repair Shop?
Find local automotive repair shops in your area.
⚠ Check if your car have Safety Recalls

Related Information

- Car TSB
- Car Recalls
- Car Common Problems
- Car Safety Rating
- Car Technical Articles
- OBDII FAQ
- OBDII Components
- 2024 Cars MPG

All OBDII Codes

- Top 25 Codes
- Latest Codes
- All OBDII Codes
- Powertrain (P) Codes
- Network (U) Codes
- Body (B) Codes
- Chassis (C) Codes
Powered by Question2Answer
...