1998 Seville Codes
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 1998 Seville Codes in Past Cadillac Vehicle Discussion; My car idle's when I get on the freeway, once it picks up speed it runs just fine. Code P01645 ...
  1. #1
    jenn661 is offline Cadillac Owners Member
    Automobile(s): 1998 Seville
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    Smile 1998 Seville Codes

    My car idle's when I get on the freeway, once it picks up speed it runs just fine.
    Code P01645 came up but I feel as if it contains too many numbers.
    EVAP VALVE - also came up, this we have an idea and ordered the part for $30
    I need help with the code, what do you experts think it is.

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  3. #2
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Re: 1998 Seville Codes

    P1645 is a problem with the EVAP system -
    probably a solenoid failure or blocked purge canister.

  4. #3
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
    Automobile(s): Crimson 2001 Seville STS, 1990 Seville (RIP)
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    Quote Originally Posted by jenn661
    My car idle's when I get on the freeway, once it picks up speed it runs just fine.
    What does that mean?

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 1998 Seville Codes

    and

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