FE120 L4-4.9L DSL Turbo (2005)
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Replace the filter element and O-ring with new one.
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Apply a thin coat of engine oil to the O-ring, and install it on the case and water separator sensor.
CAUTION:
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Be sure to use only genuine MITSUBISHI filter elements. The use of non-genuine fuel filters can cause engine failure.
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Prevent fine dust particles from entering the fuel filter and fuel pipe, as they can cause problems such as faulty fuel injection.
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Install the water separator sensor, and then air-bleed the fuel system.
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Start the engine, and check that there is no fuel leakage.
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Reinstall the fuel filter if there is any leakage.
