Testing the function of the cylinders
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.
- Start the engine.
Disconnect the injectors in pairs - #1 and #4 or #2 and #3 - until it is possible to hear which two cylinders are not firing. Then fault-trace these two cylinders.
- Continue
Refer to Checking the ignition spark