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 above threshold - wtfa2_w > WTFA2MX
Possible cause
- Voltage of intake air temperature sensor too high - Intake air temperature sensor defect - Short circuit to battery