SHOWS OBD CODEP0420

2005 Nissan Maxima

Tiny

Anonymous

November, 6, 2012 AT 7:16 PM

Shows obd codep0420

FOUND 14670 RELATED QUESTIONS

Wiring Issue?

68 ANSWERS
134 IMAGES

1 Answer

Tiny

rasmataz

November, 7, 2012 AT 12:03 AM

P0420 Catalyst System Efficiency Below Threshold (Bank 1): Go to this: http://www.obd-codes.com/p0420

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