According to the illustration, fuel delivery to the cylinder is terminated and controlled with the component that is identified as the letter _________. Illustration MO-0097
Official USCG Answer & Rule Citation
Correct Answer: Option D — I
Fuel injection control in port-helix fuel pumps relies on the rotation of the plunger via the control rack to align the lead edge with the spill port, instantly terminating high-pressure fuel delivery to the injector.
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