Table of Contents
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Chapter 11 TROUBLESHOOTING
Excessive Fuel Consumption
Causes
Fuel injection nozzle malfunction
Faulty fuel injection timing
Fuel system
Improper fuel properties
Fuel leaks from fuel line or injec-
tion pipe
Cooling
Overcooling
system
Insufficient amount of intake air
Inlet and
exhaust
systems
Increase of exhaust resistance
Compression pressure drop
Engine
Faulty valve timing
proper
Rapid wear of sliding parts
Rig
Excessive load
Note: The table above also includes the parts not supplied by MHIET For the parts not supplied by MHIET inspect
and maintain them by following the manufacturer's operation manual.
11-8
Table 11-7 Excessive Fuel Consumption
Contact your MHIET dealer.
Check fuel injection pump couplings.
Contact your MHIET dealer.
Use appropriate fuel.
Check fuel lines and injection pipes for damage, and
retighten if necessary.
Contact your MHIET dealer.
Check control system.
Thermostat - Inpsect
Contact your MHIET dealer.
Turbocharger - Inspect
Air Cleaner - Clean, Inspect and Replace
Check intake air pressure and check for intake air leaks.
Check intake air temperature and ventilation system.
Contact your MHIET dealer.
Turbocharger - Inspect
Check exhaust pipe.
Contact your MHIET dealer.
Contact your MHIET dealer.
Contact your MHIET dealer.
Contact your MHIET dealer.
Adjust propeller matching.
Solutions
(Refer to P4-1)
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Table of Contents
Troubleshooting
