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02 sensors??

This is a discussion on 02 sensors?? within the General Help forums, part of the LSx Technical Help Section category; about a month ago my ses light came on so i plugged it into my scanner and 2 codes came ...

  1. #1
    Junior Member
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    1998 Trans AM WS6

    02 sensors??

    about a month ago my ses light came on so i plugged it into my scanner and 2 codes came up for 02 sensors low voltage. I erased the codes and they havent came back since. however the other day the ses light came back on and this time it read that my cat was clogged. I bought a new high flow cat and i was wondering if my 02 sensors should be changed before i install the cat or should i just leave them?

  2. #2
    Senior Member Redphoenix1998's Avatar
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    1998 Pontiac Trans Am

    good idea to change them out, but the aftcat ones. If not, just get the stuff to clean 02 sensors and be done with it

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