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The following test steps must be performed in the given order. If a fault is found in one test step, the subsequent test steps can be skipped.
Function Checks
Important:
The fuel system is very sensitive. Work should be done with high cleanliness and care. Air in the fuel system can cause damage to the high-pressure fuel pump. That's why the vehicle must never be driven till the fuel tank is empty.
- Check fuel tank for correct fuel sort content
The fuel reserve must be greater than 5 L
- Check connected hoses and tubes for kinks, damage etc.
- Check the correct fitting of the connections and sealing.
(use only sealing, that is approved by the vehicle manufacturer)
Perform the following troubleshooting:
After successful test/fault repair proceed to the next test step
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