Which outcome occurs when a diesel engine's high-pressure fuel injector nozzle experiences thermal distortion near its tip?

💡 Explanation

When a fuel injector nozzle tip distorts from heat, the fuel's atomization process is impaired because the intended spray pattern is altered, resulting in larger, less efficiently burning droplets. Therefore, increased fuel droplet size occurs, rather than other emissions changes, which are heavily dependent on other engine management parameters.

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