92 4.9 fleetwood high idle
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HT4100 4.1, 4.5, 4.9 Discussion, 92 4.9 fleetwood high idle in Cadillac Engine Technical Discussion; Can anybody help on a high idle issue, I have a 92, 4.9 fltwd w/ 109k miles. The car runs ...
  1. #1
    ptrakman is offline Cadillac Owners Member
    Join Date
    Sep 2005
    Posts
    1

    92 4.9 fleetwood high idle

    Can anybody help on a high idle issue, I have a 92, 4.9 fltwd w/ 109k miles. The car runs and idles fine until I put it in gear and accelorate it will idle at 15-18 or what ever speed I go to. when cruising it will idle down to the current speed I am traveling. When I come to a complete stop or when it down shifts into 1st then it idles down. Any ideas? Thanks ptrakman@comcast.net

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  3. #2
    adalla is offline Cadillac Owners Fanatic
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    May 2003
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    Re: 92 4.9 fleetwood high idle

    Quote Originally Posted by ptrakman
    Can anybody help on a high idle issue, I have a 92, 4.9 fltwd w/ 109k miles. The car runs and idles fine until I put it in gear and accelorate it will idle at 15-18 or what ever speed I go to. when cruising it will idle down to the current speed I am traveling. When I come to a complete stop or when it down shifts into 1st then it idles down. Any ideas? Thanks ptrakman@comcast.net
    It maybe just me... but I did not understand anything from your description...
    Depress Eng button on DIC several times until it shows RPM, perhaps it will help to understand the problem you encounter.

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