单选题After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）.Alow compressionBair-bound fuel systemCimproper sparkDchange in viscosity
单选题
After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）.
A
low compression
B
air-bound fuel system
C
improper spark
D
change in viscosity
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