单选题Which of the following problems will occur if the needle valve in a fuel injection nozzle sticks in the open position?（）AFuel injection timing will changeBNozzle operation will be unaffectedCFuel will leak into the drain lineDFuel will not be delivered
单选题
Which of the following problems will occur if the needle valve in a fuel injection nozzle sticks in the open position?（）
A
Fuel injection timing will change
B
Nozzle operation will be unaffected
C
Fuel will leak into the drain line
D
Fuel will not be delivered
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