单项选择题
A.low oil pressure
B.high coolant pressure
C.leaking fuel injector
D.cracked cylinder head or liner
单项选择题 The device used to limit engine torque at various engine speeds is called a （）
单项选择题 A fuel leak occurs in the high pressure fuel piping between the injection pump and fuel nozzleThis requires immediate repair because of the （）
单项选择题 Lube oil accumulating in the cooling water system of a diesel engine will result in （）