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Can nitrous toast your O2s?

This is a discussion on Can nitrous toast your O2s? within the Nitrous forums, part of the LSx Technical Help Section category; I'm getting a P0420 code and surging @ idle / stuttering at low RPMs while the engine is cold. Could ...

  1. #1
    Just another Joe Eagle's Avatar
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    Can nitrous toast your O2s?

    I'm getting a P0420 code and surging @ idle / stuttering at low RPMs while the engine is cold. Could the spray have killed one of my O2s? Is this common?

    I swapped the rear O2s side to side to see if the code A. comes back at all, B. comes back as P0430, or C. just never comes back at all...

    -Eagle

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    Senior Member mrr23's Avatar
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    no. spray would have killed the cat, which is the reason for the code.

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    time to cut the cats out

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    Just another Joe Eagle's Avatar
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    Is it common for spray to kill the cats?

    The scanner I borrowed from the neighbor shows the O2s heater is not clearing checks. Its been over 150mi and they still haven't checked out OK according to the scanner.

    52k mi and the cats are toast? Yikes.

    Now the real question. What kinda power gains do I get for cutting out the cats? :evil:

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by Eagle View Post
    Is it common for spray to kill the cats?

    The scanner I borrowed from the neighbor shows the O2s heater is not clearing checks. Its been over 150mi and they still haven't checked out OK according to the scanner.

    52k mi and the cats are toast? Yikes.

    Now the real question. What kinda power gains do I get for cutting out the cats? :evil:
    you really only get a better sound and well actually i have heard people say they have gained some solid numbers..but i have also heard people say they havent gained anything without cats.

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