Rough idol 1991 Deville sedan with 67,000 miles
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Rough idol 1991 Deville sedan with 67,000 miles in Past Cadillac Vehicle Discussion; While sitting in park or at a light car has rough idol drives great but just rough idol. Any ideas...
  1. #1
    slzr100 is offline Cadillac Owners Member
    Automobile(s): 1991 Deville sedan
    Join Date
    Aug 2012
    Posts
    1

    Rough idol 1991 Deville sedan with 67,000 miles

    While sitting in park or at a light car has rough idol drives great but just rough idol. Any ideas

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  3. #2
    dennis93coupe's Avatar
    dennis93coupe is offline Cadillac Owners Connoisseur
    Automobile(s): 1993 Coupe Deville 2006 XLR Infrared, Ebony
    Join Date
    Feb 2010
    Location
    Orange County, CA
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    59
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    Re: Rough idol 1991 Deville sedan with 67,000 miles

    Have you ever changed Spark Plugs? Take your distributor cap off and check the terminals inside the cap and the rotor. Do you have a SES light on? CLick on this link...

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

    Learn how to pull codes, post back with codes if you have any AND their definitions.

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