Constant vacuum
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the positive and negative power cables to the canister purge (CP) valve connection.
The vacuum should reduce. Replace the valve if it is not functioning correctly, see Installing the canister purge (CP) valve .