CRUISE CONTROL CHANGES SPEED AFTER GOING AT SET SPEED FOR A WHILE

  • Tiny
  • T4
  • 1999 Dodge Ram
  • 89,000 miles

When I set my cruise control, it will stay at the set speed for a while, then drop it 5-10 mph. I have the 5.9L engine if that helps.

Sunday, September 11th, 2011 AT 11:15 PM

1 Answer

  • Tiny
  • caradiodoc
  • Expert
  • 24,890 posts

That's typical of a vacuum leak in the hose going to the cruise control servo, or in rare instances, a leak in the servo itself.

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Monday, September 12th, 2011 AT 1:09 AM

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