CLAAS 7744h: No Signal from High Pressure Pump Position Sensor
Issue description
The position sensor of the high pressure pump is not delivering a signal. The engine operates normally, but it does not use the information provided by the sensor.
Check the cause
The connection and wiring of the position sensor of the high pressure pump
The power supply to the position sensor of the high pressure pump
The position sensor of the high pressure pump itself for damage or malfunction
Repair steps
Inspect
Inspect the connection and wiring of the position sensor of the high pressure pump for any damage, looseness, or corrosion.
Test
Test the power supply to the position sensor of the high pressure pump using a multimeter or appropriate testing device.
Replace
If the position sensor of the high pressure pump is found to be faulty, replace it with a compatible component.
Parts you might need
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