Powertrain
generic / SAE
P01E3
Engine Coolant Temperature Sensor 3 Circuit
Generic electrical fault on engine coolant temperature sensor 3 (third measurement location, e.g. radiator outlet or heater core).
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number1 / E3
Possible causes
- Sensor failed high
Symptoms
- Check engine light on
- Cooling fan runs constantly or not at all
- Cabin heater weak or excessively hot
- Possible long warm-up time or hard cold start
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 40–250 €
- Estimated time: 0.3–1.5 h
- Component: ect sensor 3
- Component: sensor wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012