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1.5 TROUBLESHOOTING (Continued)
Symptom
Either Black or Dark
Exhaust Gas Is
Observed
Deficient Output
Excessive Lubricant
Oil Consumption
Fuel Mixed into
Lubricant Oil
Water Mixed into
Lubricant Oil
Low Oil Pressure
High Oil Pressure
62--11161
Probable Cause
Overload
Low grade fuel used
Fuel filter clogged
Air cleaner clogged
Deficient nozzle injection
Incorrect injection timing
Engine's moving parts seem to be seizing
Uneven fuel injection
Deficient nozzle injection
Compression leak
Piston ring's gap facing the same direction
Oil ring worn or stuck
Piston ring groove worn
Valve stem and valve guide worn
Oil leaking due to defective seals or packing
Injection pump's plunger worn
Deficient nozzle injection
Injection pump broken
Head gasket defective
Cylinder block or cylinder head flawed
Engine oil level low
Oil filter cartridge clogged
Relief valve stuck with dirt
Relief valve spring weak or broken
Excessive clearance of crankshaft bearing
Excessive clearance of crankpin bearing
Excessive clearance of rocker arm
Oil passage clogged
Incorrect oil type
Oil pump defective
Incorrect oil type
Relief valve defective
Lesson load
Use specified fuel
Clean or change
Clean or change
Replace nozzle
Adjust
Repair or replace
Replace injection
pump
Repair or replace
nozzle
Check the
compression
pressure and repair
Shift ring gap
direction
Replace
Replace worn piston
Replace
Replace
Replace Injection
pump
Replace nozzle
Replace
Replace
Replace
Replenish
Replace
Clean
Replace
Replace
Replace
Replace
Clean
Use specified type of
oil
Repair or replace
Use specified type of
oil
Replace
1--6
Solution
Reference
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- -
- -
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5.2.4
5.1.1
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2.2.6.a
5.2.4
2.1.1
2.2.7.b
2.3.3.d
2.3.3.e
2.3.1.d
- -
5.1
5.2.4
5.1
2.2.4.e
- -
- -
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3.1.5
3.1.5
2.3.4.d
2.3.4.c
2.3.1.k
- -
- -
2.2.6.h/3.2
- -
3.1.5
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