CLAAS 7746h: Crankshaft Position Sensor Signal Invalid
Issue description
The crankshaft position sensor is not providing a valid signal to the engine calculator. As a result, the engine power is reduced by 20% per minute until it reaches 50% of its nominal power.
Check the cause
The connection and wiring of the crankshaft position sensor
The physical condition of the crankshaft position sensor
The signal output from the crankshaft position sensor
Repair steps
Inspect the wiring and connections of the crankshaft position sensor
Check for loose, damaged, or corroded connections.
Test the crankshaft position sensor
Use a multimeter or diagnostic tool to verify the sensor's output signal.
Replace the crankshaft position sensor if necessary
Install a new sensor if the existing one is faulty or damaged.
Parts you might need
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