All of the diesel engine cylinder firing pressures are normal, yet all of the exhaust temperatures are lowWhich of the following situations is responsible for this condition?（）<br>A:Excessively early injection timing<br>B:Combustion knock<br>C:Leaking piston rings<br>D:Light load

All of the diesel engine cylinder firing pressures are normal, yet all of the exhaust temperatures are lowWhich of the following situations is responsible for this condition?（）
A:Excessively early injection timing
B:Combustion knock
C:Leaking piston rings
D:Light load

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