单选题If a diesel engine turned over at normal cranking speed but failed to start, the cause could be late fuel injection or （）Aexcessive fuel pressureBhigh lube oil viscosityCinadequate fuel injectionDexcessive starting air pressure
单选题
If a diesel engine turned over at normal cranking speed but failed to start, the cause could be late fuel injection or （）
A
excessive fuel pressure
B
high lube oil viscosity
C
inadequate fuel injection
D
excessive starting air pressure
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