Boost temp sensor (T121)
â–¶ How to fix
Check the sensor, connector and wiring. If not fault is found, replace the boost temperature sensor
What you'll see
No driver-visible symptom recorded.
System reaction
The engine performance could be affected. There is risk for black smoke.
Diagnostic depth
Detection
Faulty boost temperature sensor (T121).
Possible cause
'- Faulty sensor ( T121) - Connector and wiring harness