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← TechnologyWhich risk increases when diesel fuel injectors experience nozzle coking under high temperatures?
A)Increased cylinder bore erosion✓
B)Decreased intake manifold pressure
C)Elevated lubricating oil viscosity
D)Reduced exhaust turbine efficiency
💡 Explanation
When diesel injectors experience nozzle coking, uneven fuel spray patterns occur because carbon deposits obstruct the nozzle orifices, leading to localized hot spots and increased cylinder bore erosion. Therefore bore erosion increases rather than other effects which do not directly arise from uneven fuel distribution and combustion.
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