Which outcome occurs when fuel injection pump internal pressure fluctuations induce cavitation in a diesel engine?

💡 Explanation

When diesel fuel injection pumps experience cavitation, vapor bubbles disrupt the consistent fuel delivery because of the rapid pressure changes within the pump, leading to lean pockets and therefore reduced combustion efficiency. Reduced engine power results, rather than leaner mixtures, fuel knock or nozzle clogging, which depend on different factors like sensor malfunctions or mechanical defects.

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