P1116moderate severityPowertrain
ECT Sensor Circuit Range/Performance
on 2022 Toyota Camry 2.5L I4 ยท FWD
What this code means
The engine coolant temperature sensor signal is present but not within the expected range or reacting properly. Similar to OBD P0116 performance faults.
Symptoms
- Check engine light on
- Inaccurate temp gauge
- Poor warm-up performance
Common causes
- Faulty ECT sensor
- Sticking thermostat
- Wiring resistance issues
- Low coolant level
Diagnostic steps
- Compare ECT reading to actual temp
- Inspect thermostat operation
- Check wiring for high resistance
- Replace ECT sensor if drifting
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