Pressure sensor - Upstream throttle
â–¶ How to fix
- Check throttle upstream pressure sensor lines - Check plug and socket connection on pressure sensor - Renew throttle upstream pressure sensor
What you'll see
No driver-visible symptom recorded.
System reaction
Engine shutdown through closed throttle and closed trim valve
Diagnostic depth
Detection
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Possible cause
- Sensor voltage of pressure sensor upstream of throttle valve too high - Short circuit to battery