P0117 - Engine Coolant Temperature (ECT) Sensor 1 Circuit Low
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 CIRCUIT LOW
| Description: | Indicates the sensor signal is less than the self-test minimum. The ECT sensor minimum is 0.2 volt or 121°C (250°F). | |||
| Possible Causes: |
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| Diagnostic Aids: | A concern is present if an ECT PID reading less than 0.2 volt with the key ON engine OFF or during any engine operating mode. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory | |
| All | refer to PINPOINT TEST DX . | |||