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Questions and Answers

Buick Regal Cruise Control

Q. I have a 1991 Buick Regal 3.1 liter V-6 with a cruise control problem that began all of a sudden. The cruise control light is on and the cruise control is working and 'sometimes' it begins to decrease in speed but the cruise light remains on indicating it is engaged. Once I shut the switch off and restart and reset the speed with the 'resume' switch it will work again. Sometimes it works fine and other times it does not.

Any suggestions as to what the problem might be?

A. A loss of speed usually indicates that you are loosing vacuum to the cruise control servo. Check all the vacuum lines from the servo to the engine for leaks.

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