| Checking for leaks in the fuel system |
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| Start the engine and let it run at medium speed for a few minutes. |
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| Check the entire fuel system for leaks. |
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| If leaks are found although the connections have been tightened to the correct torque, the relevant component must be renewed. |
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| Then carry out a test drive with at least one full-power acceleration. |
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| Then check high-pressure part of fuel system again for leakage. |
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