Ford P0117 OBD-II Trouble Code Definition: P0117 Engine Coolant Temperature Circuit Low P0117 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0117 Engine Coolant Temperature Circuit Low What does the code mean? OBD-ii Code P0117 definition: The ECT (Engine coolant temperature) sensor is a thermistor located in the engine block or other coolant passage. It changes resistance […]