P1117 - Engine Coolant Temperature (ECT) Sensor Intermittent
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1117 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR INTERMITTENT
| Description: | Indicates the ECT circuit became intermittently open or shorted while the engine was running. Note that on some vehicles which are not equipped with an ECT sensor, the CHT can be used and can set this DTC. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the ECT or CHT on a diagnostic tool, and 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 |
| Vehicles with a CHT sensor only | - | - | GO to DL: Cylinder Head Temperature (CHT) Sensor STEP 15 |
| Vehicles with an ECT sensor only | - | - | GO to DX: Engine Coolant Temperature (ECT) Sensor STEP 15 |
| Vehicles with both CHT and ECT sensor | - | - | GO to DX: Engine Coolant Temperature (ECT) Sensor STEP 15 |