A flashing temp gauge light in a 2002 VW Polo typically indicates that the engine is overheating or there is an issue with the cooling system. This could be due to low coolant levels, a malfunctioning thermostat, a faulty water pump, or a blocked radiator. It's important to address this warning promptly to prevent potential engine damage. If the light persists, it’s advisable to check the coolant level and have the vehicle inspected by a mechanic.
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