An increase in the fuel injection pump discharge pressure can be caused by a/an （）<br>A:leaking delivery valve<br>B:excessive bearing end play<br>C:plugged injector spray hole<br>D:increased plunger stroke

An increase in the fuel injection pump discharge pressure can be caused by a/an （）
A:leaking delivery valve
B:excessive bearing end play
C:plugged injector spray hole
D:increased plunger stroke

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