Where is the PCV valve for 2006 volvo s40?

The PCV (Positive Crankcase Ventilation) valve for a 2006 Volvo S40 is located on the engine's intake manifold, typically near the rear of the engine. To access it, you may need to remove some engine covers or components. The valve is often connected by hoses, so check those for any signs of wear or damage as well. Always refer to the vehicle's service manual for specific instructions and diagrams.