With the Engine Running, How Is the PCM Programmed to Pulse

question 20

Multiple Choice

With the engine running, how is the PCM programmed to pulse the fuel injectors in a sequential fuel injection (SFI/SMPI) system?

• A) Pulse all injectors simultaneously once each crankshaft revolution
• B) Pulse one half of the injectors simultaneously on each crankshaft revolution
• C) Pulse the injectors in pairs
• D) Pulse the injectors individually in the engine's firing order

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