Action in service

If faults for monitoring of the voltage supply of the sensor system actuator system (5 V) are stored (tension outside valid range), then they must be rectified first.
Check intake system and crankcase for tightness.
Check connection of tank ventilation to intake system.
Check throttle valve (contamination, carbon residue, icing).
Check wiring harness between DME and intake pipe vacuum sensor.
Check wiring harness between electromotive throttle controller and DME.
Replace intake pipe vacuum sensor.
Replace the electromotive throttle actuator.