| Thermostat
--The function of the thermostat is to regulate the
flow of antifreeze coming from the radiator to the engine.
Regulating the amount of antifreeze keeps the engine at a constant
temperature. Most U.S. fuel injected vehicles require a 195 degree
Fahrenheit thermostat to operate efficiently. If the engine
temperature is too cold, the computer will richen the fuel mixture (add
more fuel) to compensate, and if the temperature is too high the engine
will overheat and shut down. A thermostat can fail or “stick” due to
rust or calcium build up in the cooling system.
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