Vacuum Control Valve Check
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.
- Disconnect the vacuum hose (white stripe) from the vacuum control valve and connect the hand vacuum pump to the vacuum control valve.
- Plug the end of the removed vacuum hose.
- Start the engine and run at idle.
- As described in the chart below, check the vacuum condition.