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ENGINE TROUBLESHOOTING
Low oil pressure
Low engine output
Excessive oil consumption
Excessive fuel consumption
9/270, 9/300, 12/235, 17/235, 21/215, 9/270HA, 9/300HA, 10/300HA, 12/235HA, 17/235HA, 21/215HA
Lack of oil
Wrong oil
High coolant temperature.
Clogged filter and strainer.
Worn bearings and oil pump.
Faulty relief valve.
Low cylinder compression
pressure
Incorrect oil
Engine burning oil
Oil leakage
Fuel leakage
Excessive injection volume.
Excessive mechanical loads
Oil leakage
High oil consumption
Wrong type and viscosity.
Over heat.
Cylinder compression leakage
Insufficient air intake volume.
Wrong selection of type and viscosity.
Too much oil quantity.
Faulty piston rings/damaged cylinder bores.
Faulty valve stem seal.
Damaged seal / Damaged turbocharger seal
Loose joints/gaskets.
Improper installation of filter and piping.
Damaged seals.
Improper component installation or tightening.
Injection pump defective.
Incorrect valve clearance
adjustment.
Injector nozzle misalignment.
Cylinder bore wear.
Air cleaner clogged.
Restricted air flow.
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