Checking the engine
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.
WARNING:
The ignition system operates at high voltages. Contact with the high tension circuit components, such as ignition coils and spark plug caps, is dangerous.
CAUTION:
When fault-tracing the ignition coils, the corresponding injectors must be disconnected. This is to protect the three-way catalytic converter (TWC).
- Start the engine.
Does the engine run on only two cylinders?
- YES
- NO
Refer to Checking the ignition spark