Questions & Answers for: Nissan p0420

P0420 and P0430 are these sensor ? P0420 and P0430 are codes related to the catalytic converter effeciency. The catalyst will need to be replaced $$. I have a P0420 code and it seems to be the cat ...

2003 nissan murano with check engine light codes P0420 and P0456 P0420 is Catalyst System Efficiency Below Threshold - Bank 1 and P0456 is EVAP Control System Very Small Leak (Negative Pressure Check)

I have two fault codes, P0302, P0420 I have two fault codes, P0302, P0420 P0302 is cylinder 2 not contributing. I could be a bad spark plug or injecor. P0420 is catalytic converter issue. I could be ...

2002 Nissan Altima P0720, P1574, P0420 I have a 2002 Nissan Altima. Can anyone tell me what these codes are? And how to fix them? P0720, P1574, P0420. Please? I have a 2002 Nissan Altima. Can anyone ...

what are codes P0720, p1574, p0420? 2002 Nissan Altima p0720-- auto. trans. vehicle speed sensor (revolution sensor) p1574--automatic speed control device/vehicle speed sensor p0420--two way catalyst ...

Mi Nissan Maxima 2000, have de cheking ingene on, Troubleshooting P0420 and P1320 P0420 =CATALYST MALFUCTION P1320=NOT SURE ,I THINK MISFIRE

what does the code p0420 mean? P0420....Catalyst System Efficiency Below Threshold (Bank 1)

What is wrong when this code shows up p0420 shows up..This is a 2006 nissan sentra This code is what appears after the ses light comes on and test is run. P0420 NISSAN - Catalytic ...

how to fix code p0420 Mil light intermittent Here's a link to your P0420 code. P0420 Catalyst System Efficiency Below Threshold Bank 1

have a 20088 fully loaded nissan quest with code p0420 plugs and coils have been replaced already drives fine https://www.fixdapp.com/blog/p0420 https://www.fixdapp.com/blog/p0420 https://mechanicbase