Checking vacuum hose to pressure regulator
WARNING: This page is about a different car, the 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition off.
- Remove throttle pulley cover.
- Disconnect vacuum hose from pressure regulator.
- Check that the hose is not blocked by blowing into it.
Is the hose OK?
- YES
Refer to Connect pressure gauge
- NO
Refer to Checking hose and connection