DTC P0119: Engine Coolant Temperature (ECT) Sensor 1 Circuit Intermittent/Erratic
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P0119 - ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1 CIRCUIT INTERMITTENT/ERRATIC
| 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 or the cylinder head temperature (CHT) on a scan 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 |
| Fiesta, Ranger 4.0L |
GO to PINPOINT TEST DX . | ||
| All others | GO to PINPOINT TEST DL . | ||