I am a student in Mechanical Engineering,ITB. I had done practical job in a company and my topic about iveco engine. I have some problems about it. One of them is to calculate the performance of engine diesel?How many parameters to calculate it and please explain them?thank you...

What causes excessive smoking on engine exhaust

Excess smoke at engine exhaust:
Hi
Reason for smoky exhaust can be due to 1)Leaky Fuel Injector 2)Insufficient Air intake in combustion chamber 3) Leaky Exhaust valves 4) Dirty Air intake filters 5) Poor fuel quality
:)