Motor Plants & Auxiliary Boilers USCG Question #169 (Set 4)

One cause of diesel engine surging can be a result of __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — injection pump fuel rack binding or sticking

A binding or sticking fuel injection pump rack prevents the governor from smoothly regulating fuel delivery, resulting in erratic engine speed control commonly recognized as surging.

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