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  #1  
Old 03-19-2016, 12:17 PM
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Smile cruise control problem

my 93 grand Cherokee cruise control stopped working the other day then this morning it worked once then stopped again does anyone have an idea whats going on

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  #2  
Old 03-19-2016, 11:21 PM
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Re: cruise control problem

Not familiar with your jeep, but it most probably uses vacuum from the engine to move an actuator, which via a cable connects to the throttle plate. Many times the problem is a vacuum leak (dried out or loose hoses), but with the intermittent caracter of your problem i wonder if that will be the problem. Could well be a problem with the switch, or even a bad contact or a bad servo valve on the cruise actuator.
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