P0119
PowertrainTemperature Sensormoderate severityECT Sensor 1 Circuit Intermittent
What P0119 Means
The ECT sensor signal is intermittent.
Symptoms
- Check Engine Light (intermittent)
- Erratic temp gauge
- Fan cycling issues
Common Causes
- Loose connector
- Damaged wiring
- Intermittent sensor failure
Diagnostic Steps
- Wiggle test
- Monitor ECT signal
- Inspect connector
Where to start: Repair connector or wiring.
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