Engine coolant temperature sensor
â–¶ How to fix
- Check lines of coolant temperature sensor - Check plug connection coolant temperature sensor and EGC4 - Check thermostat - Renew coolant temperature sensor
What you'll see
No driver-visible symptom recorded.
System reaction
- Vehicle starts badly or doesnt start at all - Engine runs badly - Torque is limited
Diagnostic depth
Detection
- Engine coolant temperature is belowe threshold - (tmrw - DTMDMA) <= tmotlinf <= (tmrw + DTMDNPO)
Possible cause
- Failure at the cooling-system - Engine coolant temperature sensor is too low - Engine coolant temperature sensor defect - Thermostat stuck open