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Home >> Mitsubishi >> 2004 >> Lancer Evolution >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Auto-Cruise Control System) >> On-Vehicle Service >> Auto-Cruise Control System Component Check >> Vacuum Actuator
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Vacuum Actuator

WARNING: This page is about a different car, the 2004 Mitsubishi Eclipse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the vacuum hose from the vacuum actuator, and connect a hand vacuum pump to the actuator.
  2. Check that the throttle lever operates when applying vacuum, and the vacuum is maintained.
Fig 1: Checking Vacuum Actuator
G03303202Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.