Vacuum loss function inspection
WARNING: This page is about a different car, the 2005 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.
- Start the engine.
- Depress the pedal with normal force.
- With the pedal depressed, stop the engine.
- Maintain the pedal depressed for approx. 30 s.
- If the pedal height does not change during this time, the unit is normal.