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← TechnologyWhich outcome occurs when diesel fuel lines experience excessive air entrainment?
A)Engine misfire and reduced power✓
B)Increased fuel temperature and viscosity
C)Elevated exhaust backpressure and soot
D)Premature catalytic converter deterioration
💡 Explanation
Engine misfire occurs because air entrainment introduces air bubbles into the fuel, leading to uneven fuel delivery via cavitation within the fuel pump plungers. Therefore, incomplete combustion results, rather than optimized fuel efficiency, at higher altitudes as originally intended for operation.
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