ENGINE
SM-E4B SERIES, WSM
1-S1
1. TROUBLESHOOTING
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start
No fuel Replenish fuel G-11
Air in the fuel system Bleed G-11
Water in the fuel system Change fuel and
repair or replace fuel
system
G-11
Fuel hose clogged Clean or replace G-11
Fuel filter clogged Replace G-17
Excessively high viscosity of fuel or engine oil at
low temperature
Use specified fuel or
engine oil
I-4,
G-6
Fuel with low cetane number Use specified fuel I-4,
G-6
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S31
Incorrect injection timing Adjust I-4,
G-26
Fuel camshaft worn Replace 1-S57
Injection nozzle clogged Clean or replace 1-S22
Injection pump malfunctioning Repair or replace G-28,
1-S21
Seizure of crankshaft, camshaft, piston, cylinder
or bearing
Repair or replace 1-S39,
1-S41,
1-S43
Compression leak from cylinder Replace head gasket,
tighten cylinder head
screw, glow plug and
nozzle holder
1-S14,
1-S32
Improper valve timing Correct or replace
timing gear
1-S39
Piston ring and cylinder worn Replace 1-S60,
1-S61,
1-S67
Excessive valve clearance Adjust G-23
Stop solenoid malfunctioning Replace 1-S28,
1-S29
Starter Does Not Run Battery discharged Charge 1-S23,
1-S24
Starter malfunctioning Repair or replace 1-S25,
1-S26
Wiring disconnected Connect –
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