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all four ho2 sensors throwing codes

This is a discussion on all four ho2 sensors throwing codes within the General Help forums, part of the LSx Technical Help Section category; they all come at the same time 131 137 151 157 along with 404 egr open postion,my question is can ...

  1. #1
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    98 Trans Am

    all four ho2 sensors throwing codes

    they all come at the same time 131 137 151 157 along with 404 egr open postion,my question is can the egr be messing with the o2 sensors just kinda funny they all come on at once

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    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    Check your ENG SEN fuse in the underhood fuse block

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    i'll check that out thanks

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    just for info purposes i changed my egr valve and so far no codes its been 2 days and about 200 miles so i think im good

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