Intake air temperature sensor in manifold
â–¶ How to fix
- Check lines of temperature sensor in intake runner - Check plugconnection temperature sensor in intake runner and EGC4 - Renew combined intake runner pressure 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
- Sensor signal is not plausible -(+/-) ( tfa2linf - tfa1linf ) >= TFA2PLMN
Possible cause
- Intake air temperature sensor defect - Sensor signal ist not plausible