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Thread: Need help with OBD1 reading on a 93 4.9 Caddy

  1. #1
    Senior Member
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    Need help with OBD1 reading on a 93 4.9 Caddy

    I have a mechanic working on my kitcar due to it running rich. It is a transplanted 1993 4.9 V-8 Cadillac in a Fiero chassis. He says his OBD1 reader is asking for the serial number [from the Caddy] which I don't have. Actually what he needs is the code for the engine which is part of the serial number. He thinks it would simply be a letter.
    Does anyone know what the code [letter] would be on a 93 Deville 4.9 V-8?
    And the joke is,<br />when he awoke his,<br />body was covered in Coke fizz !

  2. #2
    Senior Member Jbrown's Avatar
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    I believe what he is looking for might be "B".
    1987 Fiero GT 3800sc
    1985 Fiero GT Northstar
    1985 Fiero GT 3800

  3. #3

  4. #4
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    Quote Originally Posted by jdinner View Post
    I agree "B"
    Some other research came up with that as well.
    T H A N K S all.
    And the joke is,<br />when he awoke his,<br />body was covered in Coke fizz !

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