Battery acid can leak on, and deteriorate a vacuum hose for the speed (cruise) control system. If the hose becomes loose or leaks vacuum, the speed (cruise) control will not function.
Average mileage: 118,833 (100,000–144,500)
10 people reported this problem
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2003 intermittent functionality
capping vac line to cruse controll fixed the crazy vents. Have not replaced the vacuum hose yet, but have definitely ID-ed the problem. The hose is hard to get to.
this was a bad design