1989 Deville code help
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HT4100 4.1, 4.5, 4.9 Discussion, 1989 Deville code help in Cadillac Engine Technical Discussion; Trying to help my girlfriends brother fix his car and got codes...
  1. #1
    showett is offline Cadillac Owners Member
    Automobile(s): 84 Fleetwood
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    1989 Deville code help

    Trying to help my girlfriends brother fix his car and got codes

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  3. #2
    madmike69's Avatar
    madmike69 is offline Cadillac Owners Member
    Automobile(s): ´88 Fleetwood Brougham de Elegance, ´88 Sedan De Ville
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    Re: 1989 Deville code help

    Hi,

    sorry, i don´t understand your post.
    WHICH codes do you have ?
    or dou you want to know HOW to pull ´em ?

  4. #3
    showett is offline Cadillac Owners Member
    Automobile(s): 84 Fleetwood
    Join Date
    Jan 2008
    Location
    Elgin, IL
    Age
    31
    Posts
    4

    Re: 1989 Deville code help

    Sorry, the post was not complete. The problem is the car idles very high and sometimes dies out completely, also the fuel data center will constantly cycle through all the options and cannot be stopped. Could the bad computer cause the e26&e27 codes and the high idle, and the tps/isc not actually be bad?

    E26 - Shorted Throttle Switch Signal

    E27 - Open Throttle Switch Signal

    E47 - BCM-PCM Data Problem

    F32 - BCM-ECM Data Problem

    Thanks.

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