94 concours deville idling issue....
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 94 concours deville idling issue.... in Past Cadillac Vehicle Discussion; I've been having this issue with my caddy where the car is idling Up,,,,,Down,,,,,Up,,,,,Down. And just recently now its (the ...
  1. #1
    iluvcaddys is offline Cadillac Owners Member
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    94 concours deville idling issue....

    I've been having this issue with my caddy where the car is idling Up,,,,,Down,,,,,Up,,,,,Down. And just recently now its (the car) dieing out on me when its idling only...it starts up fine and drives fine....just like I said the problem appears to be idling related....any ideas would be great. Thanks.

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    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    Have you pulled the codes?

    When was the TB last cleaned?

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    iluvcaddys is offline Cadillac Owners Member
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    Are you referring to throttle body?....no I haven't had it cleaned.

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    basscatt's Avatar
    basscatt is online now Cadillac Owners 10000+ Posts
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    Re: 94 concours deville idling issue....

    like MC already suggested -

    check and clean the throttle body -
    don't forget the Idle Air Control valve -
    -----------

    and 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 -

  6. #5
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: 94 concours deville idling issue....

    Quote Originally Posted by iluvcaddys View Post
    Are you referring to throttle body?....no I haven't had it cleaned.
    That would be a good place to start and then check for vacuum leaks.

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