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Check engine light

This is a discussion on Check engine light within the Computer & Tuning forums, part of the LSx Technical Help Section category; Why when it rains i get a check engine light with codes of p1133 and p1155. I have long tube ...

  1. #1
    Junior Member
    Join Date
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    Red
    1999 z28

    Check engine light

    Why when it rains i get a check engine light with codes of p1133 and p1155. I have long tube slp headers
    Last edited by Bigck4; 12-26-2008 at 03:34 AM.

  2. #2
    Impounded
    Join Date
    Oct 2007
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    Beaver Dam KY
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    7,746

    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Bank 1 and Bank 2 Oxygen sensor issues. Most likely your getting them wet. Im having rain issues as well.

    Check the connectors and make sure they are good and full of dieletric grease. Should cure it. If not you will need newer o2s.


    and the technical BS

    http://gearchatter.com/viewtopic8822...2ba33e1e1f50be

    I cant find the p1155, but I bet its bank 2.

  3. #3
    Junior Member
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    L.A
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    Red
    1999 z28

    What's are your issues in the rain?

  4. #4
    Impounded
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    Oct 2007
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    Beaver Dam KY
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Missfiring, stumbling. Wierd Idle, doesnt affect performance tho No codes being thrown as well tho.

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