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Originally Posted by my nismo Just found out that the OBD meter shows P0420 & P0430 on BOTH banks (# 1 & #2).. Does this mean I need to replace
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#1 (permalink) | |
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A True Z Fanatic
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Quote:
B) Bung extenders or if you WANT a tune, they can just deactivate those two O2 sensors
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#2 (permalink) | |
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A True Z Fanatic
Join Date: Oct 2011
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Posts: 2,512
Drives: 2009 NISMO 370Z
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Quote:
You have CAI, HFC and CBE so it's time for a tune to correct your A/F ratio also get rid of the CEL. But that will avoid your factory warrantee so that's your call. Otherwise(which I would do) get the bung extenders for your o2 sensors(non fouler mod. search it) and hopefully that will fix it. It is also the cheapest solution. Or just put your stock cats back on and call it a day.
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