Troubleshooting Hints
PERFORM THESE STEPS FIRST1. Check vacuum hoses for leaks, kinks or restrictions.
2. Check that Cruise Control Servo Linkage at Throttle Body is not binding or too loose.
^ Check for a broken (or partially broken) wire inside of the insulation which could cause system failure but prove "GOOD" in a continuity/voltage check.
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems.
^ Refer to System Diagnosis. Testing and Inspection