P0420 on nissan altima
![P0420 on nissan altima #1 P0420 on nissan altima #1](http://ww2.justanswer.com/uploads/FixUrNissan/2012-01-22_215446_02_sensor_spacer.jpg)
![P0420 on nissan altima #2 P0420 on nissan altima #2](http://www.nissanclub.com/forums/attachments/engine-performance-2002-2006/35039d1360019271-p0420-code-red-pre-cat-before_02012013.jpg)
![P0420 on nissan altima #3 P0420 on nissan altima #3](http://www.stac-consulting.com/serrano.j/altima/intake/0624071650.jpg)
![P0420 on nissan altima #4 P0420 on nissan altima #4](http://www.nissanclub.com/forums/attachments/engine-performance-2002-2006/33385d1332298992-p0420-code-red-cover.jpg)
![P0420 on nissan altima #5 P0420 on nissan altima #5](http://www.ssautochrome.com/level.itml/icOid/images/SPEC_V_c.jpg)
![P0420 on nissan altima #6 P0420 on nissan altima #6](http://www.nissanclub.com/forums/attachments/engine-performance-2002-2006/35040d1360019294-p0420-code-red-srs-header-after_02012013.jpg)
![P0420 on nissan altima #7 P0420 on nissan altima #7](http://ww2.justanswer.com/uploads/baddad1/2011-01-08_163717_capture.png)
![P0420 on nissan altima #8 P0420 on nissan altima #8](https://i.ytimg.com/vi/yQVOjUKa6yY/0.jpg)
![P0420 on nissan altima #9 P0420 on nissan altima #9](http://carphotos.cardomain.com/ride_images/4/400/3041/38499020005_original.jpg)
![P0420 on nissan altima #10 P0420 on nissan altima #10](http://i769.photobucket.com/albums/xx332/hiddfw/02-CoverRemoved.jpg)
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