TROUBLESHOOTING
187
OK
OK
OK
OK
OK
OK
3. INSUFFICIENT POWER
Checkpoint Trouble Cause Countermeasure
Turbocharger Defective turbocharger assembly Replace the turbocharger assembly
Compression pressure
Blown out cylinder head gasket
Worn cylinder liner
Piston ring sticking or broken
Improper seating between the
valve and the valve seat
Replace the related parts
Valve clearance improperly
adjusted
Adjust the valve clearance
Valve spring weak or broken Replace the valve spring
Exhaust system
Valve spring
Valve clearance
Exhaust pipe clogged Clean the exhaust pipe
Full load adjusting screw seal
Open and improperly set
adjusting screw seal
Adjust and reseal the adjusting
screw
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
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