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po481 help, 1998 camaro ss

This is a discussion on po481 help, 1998 camaro ss within the Computer & Tuning forums, part of the LSx Technical Help Section category; Hi guys. just looking for a little help with an issue im having Car...1998 camaro ss, 5.7 ls1, all stock ...

  1. #1
    Junior Member mikeyblue01's Avatar
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    2002 Camaro z28

    Arrow po481 help, 1998 camaro ss

    Hi guys. just looking for a little help with an issue im having

    Car...1998 camaro ss, 5.7 ls1, all stock

    Problem... Engine code po481, chilton manual reads as cooling fan relay 2 and 3 control circuit

    What I have done.... tried to reset code, came back on instantly, replaced all cooling fan relays, checked all fuses, hard wired both fans to test fan motors, turned on ac and the left fan turned on as it should (left, if you were looking at the engine from the front of the car), I have yet to see the right fan turn on during operation, car does not overheat, at full temp the needle bearly gets past the quarter mark

    any input would be appriciated, thx, mike b

  2. #2
    Junior Member
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    Citrus(burn't) Orange
    2001 Camaro SS

    I have a 2000 camaro ss that I just purchased and mine is throwing the same code (P0481). I haven't really gone through a lot of troubleshooting but I believe both fans are working so I don't understand the code?

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