7734h
CLAAS 7734h – Claas Eng A15 Engine Module: Fuel Temperature Excessively High
Issue description
The engine module has detected that the fuel temperature is excessively high. As a result, the engine power is being reduced by 5% per minute until it reaches 80% of its nominal power. The power will recover at a rate of 5% per minute once the temperature returns to normal.
Check the cause
Supply ducts and fittings
The overflow valve
The fuel cooler
The high pressure pump
Repair steps
Inspect
Inspect the supply ducts and fittings for leaks, damage, or blockages.
Inspect
Inspect the overflow valve for proper operation and signs of wear or damage.
Inspect
Inspect the fuel cooler for blockages, damage, or signs of overheating.
Inspect
Inspect the high pressure pump for proper function and signs of failure.
Parts you might need
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