Isuzu AA-6HK1T User Manual

GENERAL INFORMATION 0A–27
Condition Possible Cause Correction
Trouble in the air intake system
Trouble in the fuel system
Trouble in the turbocharger
system
Low compression pressure
Trouble in the valve gear train
Trouble in the intercooler
Clogged air cleaner element
Water particles in fuel system
Clogged fuel filter element
Clogged strainer or defective fuel feed
pump
Injection nozzle sticking
Injection nozzle starting pressure too
low
Improper spray condition
Fuel injection pipes damaged or
obstructed
Defective delivery valve
Injection timing improperly adjusted
Worn plunger of the injection pump
Worn camshaft of the injection pump
Exhaust gas leakage from the exhaust
system
Air leakage from the intake system
Defective turbocharger assembly
Blown out cylinder head gasket
Worn cylinder liner
Piston ring sticking or broken
Improper seating between the valve and
valve seat
Valve clearance improperly adjusted
Worn camshaft lobe
Valve spring weak or broken
Clogged intercooler
Clean or replace the air cleaner element
Replace fuel
Replace the fuel filter element or
cartridge
Repair or replace the feed pump
Replace the injection nozzle
Adjust or replace the injection nozzle
Adjust or replace the injection nozzle
Replace the injection pipes
Replace the delivery valve
Adjust the injection timing
Repair or replace the timing advancer
Replace the plunger assembly
Replace the camshaft
Repair or replace the related parts
Repair or replace the related parts
Replace the turbocharger assembly
Replace the related parts
Adjust the valve clearance
Replace the camshaft
Replace the valve spring
Clean the intercooler
3. Insufficient Power

Isuzu AA-6HK1T Specifications

General

Brand	Isuzu
Model	AA-6HK1T
Category	Engine
Language	English