Manifold Vacuum Check
WARNING: This page is about a different car, the 2003 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine and allow it to warm up until the temperature of the engine coolant reaches 80 - 95°C (176 - 203°F).
- Connect a tachometer.
- Attach a tee-fitting union to the vacuum hose between the fuel pressure regulator and the intake manifold plenum, and connect a vacuum gauge.
- Start the engine and check that idle speed is within specification. Then check the vacuum gauge reading.
- Idle speed: 700 +/- 100 r/min
- Minimum limit: 60 kPa (18 in Hg)