Question about Nissan Cars & Trucks
Go to the Dealer they ll tell you Dont Do This By Yourself you will create more problems cause you not experienced in that field.
Posted on Jul 14, 2013
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Posted on Jan 02, 2017
A p0420 code indicates a Catalytic System efficiency failure, Bank 1.
Basically, the computer is seeing reduced efficiency of the catalytic converter or one of it's components (such as an 02 sensor)
There may be a few root causes, such as a faulty oxygen sensor, faulty coolant temperature sensor, faulty converter, Large exhaust leak, or retarded (slow) timing.
Posted on Nov 30, 2009
p0720-- auto. trans. vehicle speed sensor (revolution sensor)
p1574--automatic speed control device/vehicle speed sensor
p0420--two way catalyst system bank 1
Posted on Apr 03, 2010
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Aug 23, 2014 | 2002 Nissan Altima
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Jul 14, 2013 | 2002 Nissan Altima
Controller Area Network Line Malfunction
CAN connector is damaged or is disconnected.CAN communication line is open, shorted to ground or to power.One of the modules is shorted and pulling the CAN voltage low.
Feb 09, 2013 | 2002 Nissan Altima
Apr 02, 2010 | 2002 Nissan Altima
Sep 24, 2017 | Nissan Cars & Trucks
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