Peugeot 307 hdi diesel overheating and stop light flashing what could be the problem?

The overheating and flashing stop light in your Peugeot 307 HDi diesel could indicate several issues. Common causes include a malfunctioning thermostat, a faulty water pump, or a blockage in the cooling system. Additionally, low coolant levels or a failing radiator can also lead to overheating. It's important to check these components and address any leaks or issues to prevent potential engine damage.