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Starting failure
Symptoms and conditions of failure
Starter does
not rotates
Possible causes
Stop solenoid faulty
Fuel injection pump's injection timing
advanced excessively
Fuel injection pump's injection timing
advanced excessively
Improper fuel oil
Water flown into the fuel system
Fuel filter clogged
Air contained in the fuel system
Fuel pipe clogged or cracked
Insufficient fuel supply to the fuel injection pump
Uneven injection by the fuel injection pump
Fuel injected excessively
Fuel injection nozzle spray failure
Priming fails
Feed pump inlet strainer clogged
CSD valve malfunctioning
Fuel tank airtightness deteriorated
Air filter clogged
Engine used at high temperatures or high altitudes
Exhaust pipe clogged
Engine
Engine stall
Engine
Speed control error
after start up
output low
Starter
Work
Smoke
Smoke
No load
rotates
load
color
O
O
O
•
O
O
O
O
•
•
O
O
O
•
• •
O
O
O
O
O
O
•
•
O
O
O
O
O
O
O
O
•
•
O
O
O
•
O
•
•
Noise and
Cooling
Intake
Lubricating oil
vibration
water
air
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
•
•
O
O
O
O
O
O
O
O
Exhaust gas
Fuel
Electrical parts
Work
load
Corrective Action
Inspect and replace.
O
O
Inspect and adjust.
O
O
O
O
Inspect and adjust.
• •
O
O
Use the proper fuel oil.
•
O
Drain the fuel filter.
Clean or replace.
Bleed.
Clean or replace.
Inspect the fuel tank cock, fuel
filter, fuel pipe, and fuel feed
pump.
O
O
O
Inspect and adjust.
O
O
O
O
Inspect and adjust.
O
O
O
Inspect and adjust.
Remove dirt caught in the
priming pump internal valve
(disassemble and clean).
Clean the strainer.
Replace the pump.
Replace the CSD valve.
Inspect the fuel tank and lid;
• •
replace with the genuine parts
if necessary.
•
O
Clean the air filter.
Examine
O
O
between output reduction and
load.
O
O
Clean the exhaust pipe.
Referenced page number
See "Stop Solenoid" on page -171
See "Fuel System Components" on
page -178
the
relationship
SP001434
Page 271
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Troubleshooting
