You're right, I think the fiesta only has one fan. It just has multiple speeds. But turning on the AC does not put the fan in maximum speed. Guaranteed.
Turning on the heater definitely does help cool down an overheating engine. That is hot coolant being pumped through the heater core with air blowing over it from the blower motor. Yes it will will heat you up, but it will cool down your car. That is a proven way to cool down an overheating engine. Turning on the AC is not.
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Turning on the heater definitely does help cool down an overheating engine. That is hot coolant being pumped through the heater core with air blowing over it from the blower motor. Yes it will will heat you up, but it will cool down your car. That is a proven way to cool down an overheating engine. Turning on the AC is not.
Sent from my SM-G950U using Tapatalk