Pressure sensor - Upstream throttle
▶ How to fix
- Check lines of boost pressure sensor - Check plug connection boost pressure sensor and EGC4 - Make a plausibility Check of the boost pressure with the ambient pressure, inlet manifold air pressure - Renew boost pressure sensor
What you'll see
No driver-visible symptom recorded.
System reaction
- Engine starts badly; doesn´t start; has less power - Torque is limited
Diagnostic depth
Detection
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Possible cause
- Load pressure too high; load pressure sensor defect