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 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. 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 . | |||