Vacuum Control Valve Check
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Mitsubishi Outlander, 2003 Mitsubishi Montero Sport, 2003 Mitsubishi Montero, 2003 Mitsubishi Lancer, and 2003 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect White-striped vacuum hose from vacuum control valve and plug hose end. Connect hand vacuum pump to vacuum control valve port from which hose was removed.
- Start and idle engine. Check vacuum. With engine idling, vacuum should be between 6.3-7.1 in. Hg (21.3-24.0 kPa).