
S-2
03-E2B SERIES, WSM
DIESEL ENGINE
W1011567
Symptom Probable Cause Solution
Reference
Page
Engine Revolution Is
Not Smooth
Fuel filter clogged or dirty Replace G-10, 17
Air cleaner clogged Clean or replace G-11, 16,
21
Fuel leak due to loose injection pipe retaining nut Tighten retaining nut S-31
Injection pump malfunctioning Repair or replace S-21, 35
Incorrect nozzle opening pressure Repair or replace S-22
Injection nozzle stuck or clogged Repair or replace S-22, 23
Governor malfunctioning Repair S-35, 36,
39
Turbocharger bearing worn out Replace the
turbocharger
assembly
S-27
Turbocharger shaft bent Replace the
turbocharger
assembly
S-27
Turbocharger fin or other part damaged due to
foreign matters
Replace the
turbocharger
assembly
S-27
Either White or Blue
Exhaust Gas Is
Observed
Excessive engine oil Reduce to specified
level
G-6
Piston ring and cylinder worn or stuck Repair or replace S-41, 42,
43, 59
Incorrect injection timing Adjust S-20
Oil Leak into Exhaust
Pipe or Suction Pipe
Oil pipe clogged or deformed Repair or replace S-27
Turbocharger’s piston ring seal faulty Replace the
turbocharger
assembly
S-27
Either Black or Dark
Gray Exhaust Gas Is
Observed
Overload Reduce the load –
Low grade fuel used Use specified fuel 4, 5, 6
Fuel filter clogged Replace G-10, 17
Air cleaner clogged Clean or replace G-11, 16,
21
Deficient nozzle injection Repair or replace
nozzle
S-22, 23
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