Possible cause of defect
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Way of elimination
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Pressure of supply of fuel is lower than norm
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Contamination of the fuel filter
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Replace the fuel filter
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Leakage of fuel through a contour plum because of not tight installation of a regulator of pressure of fuel
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Replace the fuel pump
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Pressure of supply of fuel is higher than norm
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Jamming of a regulator of pressure of fuel
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Replace the fuel pump
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Contamination or perezhaty drain hose or топливопровода
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Replace a hose or топливопровод
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After an engine stop pressure of fuel slowly decreases
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Leakage of fuel through nozzles
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Replace nozzles
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Pressure of fuel falls at once after an engine stop
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Jamming of the return valve of the fuel pump in open situation
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Replace the fuel pump
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