What does error code 046 mean ina 2004 Volvo s80?

Error code 046 in a 2004 Volvo S80 typically refers to a problem with the fuel system, often indicating an issue with the fuel pressure or fuel pump. This can affect engine performance and may lead to difficulty starting the vehicle or reduced power. It's advisable to have a qualified technician diagnose the issue to determine the exact cause and necessary repairs. Regular maintenance and addressing warning codes promptly can help prevent further complications.