单项选择题X 纠错
A.improper fuel rack positing
B.lengthy exhaust valve duration
C.extend operation at light load
D.excessively early injection timing
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单项选择题
A.crankcase
B.cylinder head
C.valve cover
D.engine frame
单项选择题
A.Impeller
B.Compressor
C.After-cooler
D.Exhaust differ
单项选择题
A.camshaft seizure
B.lube oil pump failure
C.lube oil cooler failure
D.lube oil pump overflow
单项选择题
A.Improper lubrication
B.Air in the fuel system
C.Coated fuel lines
D.Excessive vibration
单项选择题
A.Excessive valve train lubrication
B.Leaking standby oil cooler core
C.Excessive lube oil pressure
D.Excessive lube oil in the system
