Question 147Motor Plants - 1st Asst/Chief70% to pass
One cause of diesel engine surging can be a result of _______________.
AI Explanation
The correct answer is B) injection pump fuel rack binding or sticking.
Diesel engine surging can be caused by issues with the fuel injection system, and a binding or sticking fuel rack on the injection pump is a common cause. The fuel rack controls the amount of fuel delivered to the engine, and if it is not operating properly, it can lead to fluctuations in the fuel supply and cause the engine to surge.
The other options are incorrect because low compression (A) would not directly cause surging, a solenoid stuck open (C) would not impact the fuel system, and high fuel booster pump pressure (D) would more likely result in other issues like injector leakage rather than surging.
Related Questions
#145 Which of the following problems is the main source of fuel pump and injection system malfunctions? #146 Surface irregularities, such as erosion and pitting on injection pump plungers, will _______________.#148 While examining a used fuel injection nozzle(s), one finds worn and enlarged orifices. What does this indicate about that cylinder's performance prior to nozzle replacement(s)? #149 Injection lag in a diesel engine may be caused by_______________.#150 Problems with the diesel engine fuel injection pump are usually caused by_______________.