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P0103 and P0102

This is a discussion on P0103 and P0102 within the General Help forums, part of the LSx Technical Help Section category; My dads truck, 1998 Chevy has these codes along with a P0420. I am ASSuming the 420 is due to ...

  1. #1
    lmpounded SandmanWs7's Avatar
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    P0103 and P0102

    My dads truck, 1998 Chevy has these codes along with a P0420. I am ASSuming the 420 is due to the MAF?

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    lmpounded SandmanWs7's Avatar
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    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    not that it matters too much in this case but a little more info on the truck would be nice since there are 6 different engines offered that year.
    I'm guessing its a K1500 5.7.
    The 2 MAF codes could have caused the the engine to run poor enough to wipe out the cat converter, but either way you have 2 seperate problems. A MAF problem and a bad cat converter

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    lmpounded SandmanWs7's Avatar
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    its a V6 4.3

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

    dang I guess wrong
    Well my advise still applies, you have 2 separate problems.

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