Two problems related to engine failure have been reported for the 2014 Ford Fiesta. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 Ford Fiesta based on all problems reported for the 2014 Fiesta.
Engine failure while driving. Due to defective material or bad design of semi rigid coolant hose allowed system to boil out coolant slowly and damage engine by the time any temperature indication, and if gauge not noticed a right time, coolant boils out leaving the temp senor in air, that doesn't show as over temperature. . Read more...
Cooling system fails on the car without warning. The temperature gauge and over temperature warning light do not indicate / come on until the engine fails and the vehicle looses power. I have had to replace the engine two times. Each time there was no indication of low coolant or overheating condition. My car was at highway speed and lost power and shut off within seconds leaving no time to safely pull off the road. Both times I was on a state highway with little to no berm.