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Emmisions CODES
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asked
Oct 6, 2018
by
Greg
2005 Nissan TItan and i have a code P0420 how can i fix this so i can pass emmisions? And also No MIL at key-onengine-off mil commanded on what is that?
Vehicle:
2005 nissan titan 5.6
p0420
p0455
code
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Oct 7, 2018
by
Carguy1
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HI there,
P0420 is for the bank 1 catalytic converter not working properly. Most often the converter itself has to be replaced to resolve that issue.
P0455 is a code for a gross evap leak. Most of the time with this code it is the vent control valve causing the problem on the Titans, but it could be leaking anywhere. A smoke test is the best method to locate the leak.
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