DTC P1117: Engine Coolant Temperature (ECT) Sensor Circuit Intermittent
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Mariner, and 2006 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT INTERMITTENT
| Description: | Indicates the ECT circuit became intermittently open or shorted while the engine was running. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the ECT on a diagnostic tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to Pinpoint Test DX . |