| Fuel system: checking seal |
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| Allow engine to run for several minutes at moderate rpm. |
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| Check complete fuel system for leaks. |
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| If there are leaks despite the correct tightening torque, the corresponding component must be replaced. |
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| Road-test vehicle and accelerate with full throttle at least once. |
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| Then inspect high-pressure section of fuel system again for leaks. |
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