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ARK r-spec hi-flo cat.. Friends, I need help.

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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Old 09-07-2013, 07:51 PM   #1 (permalink)
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Originally Posted by my nismo View Post
Just found out that the OBD meter shows P0420 & P0430 on BOTH banks (# 1 & #2).. Does this mean I need to replace something? Like o2 sensor or catalytic converter itself? Please advice.. Thanks!!!
A) search/google is your friend

B) Bung extenders or if you WANT a tune, they can just deactivate those two O2 sensors
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Old 09-07-2013, 09:59 PM   #2 (permalink)
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A) search/google is your friend

B) Bung extenders or if you WANT a tune, they can just deactivate those two O2 sensors
What he said.

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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