Is the connection the same for cold start valve on 1990 and 1991 740 Volvo Wagons?

The cold start valve connections on the 1990 and 1991 Volvo 740 Wagons are generally similar, but there can be variations depending on specific engine configurations and emissions systems. It's essential to consult the vehicle's service manual or wiring diagrams for precise details, as slight differences may exist between model years or engine types. Always ensure compatibility when replacing or diagnosing issues related to the cold start valve.