Checking for air leakage and the turbocharger (TC) control system
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.
- Check the engine intake system according to intake system/leak test . Check in particular the charge air pipe and the intake manifold for air leakage
- Release the boost pressure control (BPC) valve according to Checking and adjusting the boost pressure control (BPC) valve on the turbocharger (TC) . Check that the boost pressure control (BPC) valve is unimpeded and does not stick in the open position
- Check the turbocharger (TC) according to Checking boost pressure with manometer while test driving the car
- Check the air cleaner (ACL) for blockage
- Remedy as necessary.
Was a fault detected?
- YES
Refer to Information
- NO
Refer to Checking the cable and component