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Blowing 20amp Fuse after header install

This is a discussion on Blowing 20amp Fuse after header install within the General Help forums, part of the LSx Technical Help Section category; I have a 2000 Camaro SS. I just had headers installed. Cats went away and rear O2 sensor code disabled. ...

  1. #1
    Junior Member
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    Red
    2000 Camaro SS

    Question Blowing 20amp Fuse after header install

    I have a 2000 Camaro SS. I just had headers installed. Cats went away and rear O2 sensor code disabled. Front O2 sensors were spliced/lengthened. Problem is, the 20amp fuse for ENG SEN keeps blowing. This fuse protects MAF, heated O2 sensor, skip shift solenoid, reverse lockout solenoid and the brake switch. I also get a low (2.32) reading with my MAF when the fuse blows, but the engine seems to run fine. Any ideas?

  2. #2
    Member jmhvenom's Avatar
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    2002 Z28

    I would definately suggest looking for a short, headers might have burned through a wire insulation, or maybe something to do with the splicing of the O2 sensor wires.

  3. #3
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    Yep, look at the 02 wiring - friend of mine had the same issue.

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    02 Pontiac Trans Am WS6

    Mine did the same thing on the passenger side header, it would short and pop the fuse.

  5. #5
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    2000 Camaro SS

    Thanks for the good advice from all of you! That's kinda what I thought it might be, but it always helps to have the opinion of folks that know what their talking about...

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