Performing first fuel filling after installing high-pressure pump |
Caution Risk of irreparable damage to high-pressure pump if allowed to run when empty. |
After high-pressure pump has been installed, it must be filled with fuel before engine is first started. |
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| When installing the high-pressure pump, it is essential to ensure that no dirt enters the fuel system. |
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| Only remove sealing plugs immediately prior to installation of fuel lines. |
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| There must be sufficient fuel in the tank. |
Proceed as follows to fill high-pressure pump with fuel: |
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| There must be sufficient fuel in the tank. |
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| Connect vehicle diagnosis tester. |
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| Select „Engine electronics“ in the self-diagnosis program. |
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| Then select „Basic setting“. |
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| Select „Testing fuel pre-supply pump“ from selection list. |
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| Run fuel pump for approx. 1 minute to ensure that high-pressure pump contains sufficient fuel. |
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| Start engine once fuel system is full. |
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| Run engine at moderate speed for several minutes and then switch off. |
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| Check fuel system for leaks. |
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| Read and, if necessary, clear event memory after test drive. |
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