Pennsylvania Auto Physical Damage Appraiser License (16-20) Practice Exam

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What is one benefit of sequential multi-port fuel injection?

Better fuel atomization.

Faster engine response to throttle changes.

One significant benefit of sequential multi-port fuel injection is the faster engine response to throttle changes. This system allows each fuel injector to activate in a specific sequence, precisely timed with the engine's intake stroke. By delivering fuel to each cylinder just before its intake stroke, the injectors provide a more immediate and responsive supply of fuel, leading to quicker acceleration and improved overall engine performance. The accurate timing of the fuel delivery reduces lag when the driver accelerates, which enhances the vehicle's responsiveness and driving experience.

While other benefits such as improved fuel atomization, increased injector life, and lower emissions are also characteristics of multi-port fuel injection systems, the notable advantage of immediate throttle response makes it a key feature for performance in modern engines.

Increased injector life.

Lower emissions overall.

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