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Engine Stumble or Surge

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Old Apr 25, 2007 | 04:35 PM
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TomG3's Avatar
TomG3
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Racer
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Joined: Mar 2006
Posts: 410
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From: Flowery Branch GA
Default Engine Stumble or Surge

My '99 A4 Vert has developed an intermittant stumble or surge while cruising at a constant speed. (Between 60-75 mph) This stumble shows about a 50-100 rpm jump on the tach and at times will actually cause the cruise to disengage. At times the cruise will not re-engage. Check engine light has not come on and the car seems to run fine the rest of the time. This car has only 27k on the odo.
Has anyone else ever experienced this or have any suggestions as what the cause might be?
As always, your help is appreciated!
Thanks,
Tom
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