Mitsubishi S16R-PTAA2-C

11 TROUBLESHOOTING
Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
195
Pub. No. K29001-00320 Revision: 1
Excessive Fuel Consumption
Table 11-8 Excessive Fuel Consumption
Problem Cause Remedies
Reference
Page
Excessive Fuel
Consumption
Fuel System Fuel injection noz-
zle malfunction
• Contact your SME dealer. 8
Faulty fuel injection
timing
• Check fuel injection pump drive
coupling.
-
• Contact your SME dealer. 8
Improper fuel prop-
erties
• Change with appropriate fuel. 104
Fuel leaks from low
pressure fuel line
• Check defects of low pressure fuel
line and retighten, if necessary.
152
Fuel leaks from
high pressure fuel
injection pipe
• Check defects of high pressure
fuel injection pipe
152
• Contact your SME dealer. 8
Cooling System Overcooling • Check fan and heat exchanger.
• Check control system.
• Check thermostat.
-
• Contact your SME dealer. 8
Inlet and
Exhaust
Systems
Insufficient amount
of intake air
• Turbocharger - Check 174
• Clean, check and replace pre-
cleaner.
175
• Clean, check and replace air
cleaner element.
• Check intake air pressure and
leakage of intake air.
• Check intake air temperature and
ventilation system.
176
• Contact your SME dealer. 8
Increase of exhaust
resistance
• Turbocharger - Check 174
• Check exhaust pipes, muffler and
silencer.
174
• Contact your SME dealer. 8
Engine Body Compression pres-
sure drop
• Contact your SME dealer. 8
Faulty valve timing
Wear of sliding
parts