Exhaust Smoke Is Black Or Dark Grey; Table 11-6 Exhaust Smoke Is Black Or Dark Grey - Mitsubishi S16R Series Operation & Maintenance Manual

Exhaust Smoke is Black or Dark Grey

Problem Cause
Exhaust Smoke Fuel System
is Black or Dark
Grey
Lubrication
System
Inlet and
Exhaust
Systems
Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
Pub. No. K29001-00320 Revision: 1

Table 11-6 Exhaust Smoke is Black or Dark Grey (1/2)

Improper fuel
properties
Fuel feed pump
malfunction
Fuel injection
pump malfunction
Fuel injection noz-
zle malfunction
Faulty fuel injec-
tion timing
Uneven fuel injec-
tion volume
Combustion of en-
gine oil
Insufficient
amount of intake
air
Increase of ex-
haust resistance
Remedies
• Change with appropriate fuel.
• Contact your SME dealer.
• Check fuel injection pump drive
coupling.
• Contact your SME dealer.
• Check ignition sound, exhaust
temperature and the balance
between left and right banks.
• Contact your SME dealer.
• Check engine oil properties.
• Engine Oil Level - Check
• Contact your SME dealer.
• Turbocharger - Check
• Clean, check and replace pre-
cleaner.
• Clean, check and replace air
cleaner element.
• Check intake air pressure and
leakage of intake air.
• Check intake air temperature and
ventilation system.
• Contact your SME dealer.
• Turbocharger - Check
• Check exhaust pipes, muffler and
silencer.
• Contact your SME dealer.
11 TROUBLESHOOTING
Reference
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