FixVault

Cruise Control Speed Unstable

WARNING: This page is about a different car, the 1995 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.

Trouble shoot symptom following CRUISE CONTROL SPEED UNSTABLE table from top to bottom. Test or replace component.

CRUISE CONTROL SPEED UNSTABLE

Check Point Possible Cause
Vehicle Speed Sensor Defective Speedometer Cable
Vacuum Hose Disconnected, Pinched Or Cracked
Vacuum Pump & VSV Defective Pump Or Valve
Actuator Defective, Restricted Or Misadjusted Valve
Accelerator Cable Incorrect Free Play
Cruise Control Module Defective Module