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oxygen sensor heater codes

This is a discussion on oxygen sensor heater codes within the Computer & Tuning forums, part of the LSx Technical Help Section category; since installing my new engine I've been getting p0135,p0155 codes. The circuit tests fine I'm assuming it's because of the ...

  1. #1
    Member 383ls6's Avatar
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    red
    2002 z/28

    oxygen sensor heater codes

    since installing my new engine I've been getting p0135,p0155 codes. The circuit tests fine I'm assuming it's because of the cam. MY question is can the heaters be turned off via tuning without any adverse effects? As always any advice is greatly appreciated.

  2. #2
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    you can turn off just those codes......how old are your sensors? If you have headers that's most likely the reason for the heater codes. I solved my heater code issue by using bosch 13111 sensors. Had those in a few years now and haven't had a single heater code since installing them.

  3. #3
    Member 383ls6's Avatar
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    red
    2002 z/28

    thanks i will give those a try.


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