98 Eldorado suddenly runs rough
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 98 Eldorado suddenly runs rough in Past Cadillac Vehicle Discussion; I smell gas from engine compartment and I had a neighbor search and read codes. 1 cylinder misfire and #1 ...
  1. #1
    lionel_lampkin is offline Cadillac Owners Member
    Join Date
    Apr 2013
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    98 Eldorado suddenly runs rough

    I smell gas from engine compartment and I had a neighbor search and read codes. 1 cylinder misfire and #1 ox. sensor on the #3 bank bad (something like that). Car also running real rich. Car shakes bad and check engine like blinks. Please advise.

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Woodstock Ill.
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    Re: 98 Eldorado suddenly runs rough

    Gas smell, misfire, running rough and real rich, check for a leaky FPR.

  4. #3
    rodnok01's Avatar
    rodnok01 is offline Cadillac Owners Connoisseur
    Automobile(s): 98 DeVille, 97 DeVille d'Elegance
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    Re: 98 Eldorado suddenly runs rough


  5. #4
    vincentm's Avatar
    vincentm is offline Cadillac Owners Connoisseur
    Automobile(s): 1997 Cadillac Eldorado ETC
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    Aug 2010
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    Kennewick WA
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    4,740
    Quote Originally Posted by Ranger View Post
    Gas smell, misfire, running rough and real rich, check for a leaky FPR.
    ^This, ask me how i know..

    *runs from Ranger*

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