wsm M7040 - Troubleshooting

ENGINE
M6040, M7040, WSM
1-S1
1. TROUBLESHOOTING
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start
No fuel Replenish fuel G-10
Air in the fuel system Vent air G-39
Water in the fuel system Change fuel and
repair or replace fuel
system
–
Fuel hose clogged Clean or replace G-26
Fuel filter clogged Replace G-32
Excessively high viscosity of fuel or engine oil at
low temperature
Use specified fuel or
engine oil
G-10
Fuel with low cetane number Use specified fuel G-10
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S37
Incorrect injection timing Adjust 1-S19
Fuel camshaft worn Replace 1-S47
Injection nozzle clogged Repair or replace 1-S21,
1-S37
Injection pump malfunctioning Repair or replace 1-S20,
1-S49
Seizure of crankshaft, camshaft, piston, cylinder
or bearing
Repair or replace –
Compression leak from cylinder Replace head gasket,
tighten cylinder head
screw, glow plug and
nozzle holder
1-S37
Improper valve timing Correct or replace
timing gear
1-S55
Piston ring and cylinder worn Replace 1-S56,
1-S74,
1-S78
Excessive valve clearance Adjust 1-S14
Stop solenoid malfunctioning Replace 1-S44
Starter Does Not Run Battery discharged Charge 9-S10
Starter malfunctioning Repair or replace 9-S17,
9-S48,
9-S51
Key switch malfunctioning Replace 9-S14
Wiring disconnected Connect –
KiSC issued 07, 2012 A