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Thread: Downpipe Related, ways to prevent CEL?

  1. #61
    Join Date
    Nov 2008
    Location
    Brisbane
    Age
    47
    Posts
    3,387

    Default

    This might sound a bit crazy...but I just had this idea.

    After sorting out the O2 sensor bung, and hopefully changing the P2096 into a P0421, try wrapping the catalytic converter in exhaust heat wrap or even upstream of it. The aim of this would be to keep the temps high going into the cat.

    Might be worth a shot before swapping the cat out.

  2. #62

    Default

    There are mixed results Dan on the thermal wrap, worth a shot rather than changing a new CAT, it takes prolonged P2096 to foul it.

  3. #63
    Join Date
    May 2010
    Location
    Sydney
    Posts
    2,600

    Default

    Yea something that helps the cat warm up quicker could help, P0421 is a warm up efficiency code after all.

    End of the day, I don't care if I have a P0421 re-occur on me, it is a completely harmless code. P2096 is potentially masking a more serious issue so I would rather have it go back to the way it was.

  4. #64

    Default

    Yup, spot on Reedy P2096 is a issue whereas P0421 is harmless.

    Hopefully, troy can reweld another bung for me this saturday.

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