41
Problem
Suspected cause
Action
En
g
in
e
d
o
e
s
n
o
t
s
ta
rt
Starter motor
does not drive
or speed is low
1. Battery output is weak
2. Battery is deteriorated
3. Battery terminal is OFF or loosen
4. Battery terminal is corroded
5. Starter switch or relay is defective
6. Starter motor is defective
1. Check battery fluid or charge
2. Replace Battery
3. Fix/Tighten terminal
4. Clean terminal
5. Contact distributor or dealer for repair
6. Contact distributor or dealer for repair
Starter motor
drives but
engine does
not start
1. Fuel is insufficient
2. Fuel filter is clogged
3. Water is interfused in fuel line
4. Air is interfused in fuel line
5. Fuel lever is closed
1. Add fuel
2. Clean/Replace fuel filter
3. Drain water in fuel filter or fuel tank
4. Extract the air
5. Turn the fuel lever to OPEN
<Ambient
temperature
falls down below
32
゚
F (0
℃
) >
1. Fuel is frozen
2. Water in fuel line is frozen
3. Pre-heater is defective
1. Use winterized fuel
2. Drain water in fuel line
3. Contact distributor or dealer for repair
Engine starts but
stalls immediately
1. Fuel filter is clogged
2. Water is interfused in fuel line
3.Air is interfused in fuel line
4. Air filter element is clogged
5. Lubricant oil is insufficient
6. Emergency operation/Fault detection
7. Disappearance of rotation signal
1. Clean/Replace fuel filter
2. Drain water in fuel filter or fuel tank
3. Extract the air
4. Check/Replace air filter element
5. Add lubricant oil
6. Contact distributor or dealer for repair
7. Contact distributor or dealer for repair
Engine does not stop
1. Stop solenoid fault
2. Accessory switch is turned on
1. Turn the fuel lever to CLOSE to stop the
engine and contact distributor or dealer
for repair.
2. Turn off the accessory switch
Engine oil pressure
is low
1. Lubricant oil is insufficient
2. Oil filter is clogged
3.
Wrong oil is used
1. Add lubricant oil
2. Replace oil filter
3. Change to proper kind and viscosity oil
Overheated
1. Engine thermostat is defective
2. Water temp sensor is defective
3. Fan belt tension is weak
4. Coolant is insufficient
5. Radiator core is clogged
1. Contact distributor or dealer for repair
2. Contact distributor or dealer for repair
3. Check/Adjust fan belt
4. Check/Add coolant
5. Clean radiator core
Black smoke
comes out from Muffler
1. Air filter element is clogged
2. Fuel injection nozzle is defective
3. Improper fuel is used
1. Check/Change air filter element
2. Contact distributor or dealer for repair
3. Change to clean fuel
White smoke
comes out from
Muffler
1. Too much or too little oil to cylinder
2. Water is interfused in fuel line
3. Fuel injection nozzle is defective
4. Coolant temperature is too low
5. Engine thermostat is defective
1. Contact distributor or dealer for repair
2. Drain water in fuel filter or fuel tank
3. Contact distributor or dealer for repair
4. Warm-up driving is needed
5. Contact distributor or dealer for repair
Содержание DGK7F
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