Pneumatic Supply Pressure
â–¶ How to fix
Check regeneration flow. One of the following faults can be the reason: - Regeneration solenoid valve is broken - Regeneration orifice is blocked - Purge valve is frozen or blocked.
What you'll see
No driver-visible symptom recorded.
System reaction
Regeneration is not working properly. The system is getting wet if the air consumption is high.
Diagnostic depth
Detection
The pressure is supposed to drop during regeneration.
Possible cause
Blocked purge valve, broken solenoid, frozen exhaust.