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What is SEFI?

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Anonymous

17y ago
Updated: 4/28/2022

Sequential Electronic Fuel Injection. In a sequential fuel injection system, the injectors open one at a time, in conjunction with the opening of each cylinder. Some other injection systems may open all injectors simultaneously. The sequential option is advantageous because it allows for faster response when the driver makes a rapid change.

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Wiki User

17y ago

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