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Thread: 95 sedan de ville, 4.9, drives excellently until engine dies at low speeds,

  1. #1
    baronneri is offline Cadillac Owners Member
    Automobile(s): 95 sedan deville, 98 devilled, 77 seville
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    95 sedan de ville, 4.9, drives excellently until engine dies at low speeds,

    then it restarts immediately. does this at low speeds, never above 30mph and usually when letting off gas at red light, turning a corner.


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  3. #2
    basscatt's Avatar
    basscatt is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2003 DHS - two-2002 DHS's, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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    Re: 95 sedan de ville, 4.9, drives excellently until engine dies at low speeds,

    Quote Originally Posted by baronneri View Post
    then it restarts immediately. does this at low speeds, never above 30mph and usually when letting off gas at red light, turning a corner.
    ----------------------
    check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -
    -------------------------------------
    I suspect Idle Speed Control motor -

    Throttle Position Sensor -

    and/or dirty throttle body -

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: 95 sedan de ville, 4.9, drives excellently until engine dies at low speeds,

    Quote Originally Posted by baronneri View Post
    then it restarts immediately. does this at low speeds, never above 30mph and usually when letting off gas at red light, turning a corner.
    Does this happen only with 1/4 tank of gas or less? The early '90's Devilles are known for tank baffles coming loose. Turn the corner and the fuel sloshes to one side, the pump sucks air and the engine stalls. There are 2 ways to fix it.
    1. Replace the tank.
    2. Keep it above 1/4 tank.

  5. #4
    brougham is offline Cadillac Owners Master
    Automobile(s): 1991 Cadillac Brougham D'Elegance 5.7 Litre, 1994 DeVille
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    Re: 95 sedan de ville, 4.9, drives excellently until engine dies at low speeds,

    I thought the baffle problem was the earlier devilles? 95 has the same tank setup that the rest of the Devilles STS and Eldos had. But it does sound like it, unless it's just plain extremely low on gas.

  6. #5
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: 95 sedan de ville, 4.9, drives excellently until engine dies at low speeds,

    It WAS on the early Devilles, but I don't know exactly when that problem was fixed. I'm just taking a stab based on his symptoms.


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