TROUBLESHOOTING
190
OK
OK
OK
OK
OK
5. EXCESSIVE OIL CONSUMPTION
Checkpoint Trouble Cause Countermeasure
Engine oil
Engine oil unsuitable
Too much engine oil
Replace the engine oil
Correct the engine oil volume
Oil seal and gasket
Oil leakage from the oil seal
and/or the gasket
Replace the oil seal and/or the
gasket
Clogged air breather Clean the air breather
Defective valve seals
Worn valves stems and valve
guides
Replace the valve seals, the
valves, and the valve guides
Piston rings
Inlet and exhaust valves
Valve seals
Air breather
Piston rings worn, broken or
improperly installed
Replace the piston rings or
properly install
Cylinder liners
Cylinder lines scored or
worn
Replace the cylinder liners
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
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