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Problem
Starter motor
does not drive
or speed is low
Starter motor
drives but
engine does
not start
<Ambient
temperature
falls down
below zero>
Engine starts but
stalls immediately
Engine oil pressure
is low
Suspected cause
1. Battery Isolator is OFF
2. Battery output is weak
3. Battery is deteriorated
4. Battery terminal is OFF or loose
5. Battery terminal is corroded
6. Power switch or relay is defective
7. Starter motor is defective
8. ECU(Engine Controller) is defective
1. Fuel is insufficient
2. Fuel filter is clogged
3. Gauze filter is clogged
4. Water is interfused in fuel line
5. Air is interfused in fuel line
6. Poor piping connection to external fuel tank
7. Fuel tank selector lever (3-way valve)
position is wrong
8. Fuel cut solenoid (motor) does not work
1. Fuel is frozen
2. Water in fuel line is frozen
3. Pre-heater is defective
1. Fuel filter is clogged
2. Gauze filter is clogged
3. Water is interfused in fuel line
4. Air is interfused in fuel line
5. Poor piping connection to external fuel tank
6. Air filter element is clogged
7. Lubricant oil is insufficient
8. Emergency operation/Fault detection
1. Lubricant oil is insufficient
2. Oil filter is clogged
3. Oil Pressure switch is defective
4. Wrong oil is used
1. Turn Battery Isolator to ON
2. Check / battery liquid/ or
3. Change battery
4. Fix / Tighten terminal
5. Clean terminal
6. Ask our distributor to repair
7. Ask our distributor to repair
8.Ask our distributor to repair
1. Add fuel
2. Clean/Change fuel filter
3. Clean/Change gauze filter
4. Drain water in water
5. Extract the air
6. Check piping connection
7. Check lever (3-way valve)
8-1. Check/Change fuse
8-2. Check/Change fuel cut
1. Use winterized fuel
2. Drain water in fuel line
3. Ask our distributor to
1. Clean/Change fuel filter
2. Clean/Change gauze filter
3. Drain water in water
4. Extract the air
5. Check piping connection
6. Check/Change air filter
7. Supply lubricant oil
8. Ask our distributor to
1. Supply lubricant oil
2. Change oil filter
3. Ask our distributor to
4. Change to proper kind and
39
Action
Charge
element
separator, fuel filter or fuel
tank
repair
element
separator, fuel filter or fuel
tank
element
repair
repair
viscosity oil
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