High temperature of the cooling / ambient system
Malfunction or improper use of the cold start system
Air intake obstruction
Low engine temperature
Dirty / clogged fuel filter
ENGINE STARTS AND STOPS
Air intake obstruction
Presence of air in the fuel system
Presence of air in the fuel system
MOTOR DOES NOT START
OR HAS DIFFICULTY
STARTING
Failure of the feeding pump
Dirty / clogged fuel filter
Obstruction in fuel the pipes
Incorrect fuel type
Absence or low fuel level
The starter motor rotates the engine very slowly
Malfunction or improper use of the cold start system
Room temperature too low
Buffering in the exhaust system
Air intake obstruction
Obstruction in the engine crankcase breather
Malfunction or improper use of the cold start system
IRREGULAR OPERATION
Injector failure
Power pump failure
Obstruction in fuel pipes
Presence of air in the fuel system
Dirty / clogged fuel filter
Air intake obstruction
Inadequate fuel system valves and/or lubrication system valves
Use of improper and / or excess oil
High temperature of the refrigeration / environment system
Limited motion speed control
Obstruction in the engine crankcase breather
FAILURE
POSSIBLE CAUSE
Inadequate fuel system valves
MISFIRE
High temperature of the refrigeration / environment system
Obstruction in fuel pipes
Dirty / clogged fuel filter
Obstruction in fuel pipes
LACK OF POWER
Failure of the feeding pump
Inappropriate Fuel
Water present in the fuel
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