ENGINE
G23-2, G26-2, WSM
1-S1
1. TROUBLESHOOTING
Symptom Probable Cause Solution
Reference
Page
Engine Does Not
Start
No fuel Fill fuel G-17
Air in the fuel system Bleed G-51
Water in the fuel system Change fuel and
repair or replace fuel
system
–
Fuel hose clogged Clean G-39
Fuel filter clogged Change G-46
Excessively high viscosity of fuel or engine oil at
low temperature
Use specified fuel or
engine oil
G-9
Fuel with low cetane number Use the specified fuel G-9
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S30
Incorrect injection timing Adjust 1-S19
Fuel camshaft worn Replace 1-S36
Injection nozzle clogged Clean or replace 1-S30
Injection pump malfunctioning Replace 1-S35
Seizure of crankshaft, camshaft, piston, cylinder
or bearing
Repair or replace 1-S36
Compression leak from cylinder Replace head gasket,
tighten cylinder head
screw, glow plug and
nozzle holder
1-S31
Improper valve timing Correct or replace
timing gear
1-S36
Piston ring and cylinder worn Replace 1-S38
Excessive valve clearance Adjust 1-S16
Starter Does Not Run Battery discharged Charge G-35
Starter malfunctioning Repair or replace 6-S26
Main switch malfunctioning Repair or replace 6-S8
Safety switches improperly adjusted or damaged Adjust or replace 6-S11
Wiring disconnected Connect –
Ground cable disconnected Connect –
Engine Revolution Is
Not Smooth
Fuel filter clogged or dirty Replace G-46
Air cleaner clogged Clean or replace G-33
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut 1-S30
Injection pump malfunctioning Replace 1-S35
Incorrect nozzle injection pressure Adjust 1-S21
Injection nozzle stuck or clogged Repair or replace 1-S30
Governor malfunctioning Repair 1-S36
Either White or Blue
Exhaust Gas Is
Observed
Excessive engine oil Reduce to the
specified level
G-16
Piston ring and cylinder worn or stuck Repair or replace 1-S38
Incorrect injection timing Adjust 1-S19
Deficient compression Check 1-S16
To Next Page
Loading...
Need help?
General
