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Isuzu 4JH1 User Manual

Isuzu 4JH1
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FUEL SYSTEM 6C – 3
GENERAL DESCRIPTION
FUEL FLOW
RTW66CMF000101
The fuel system consists of the fuel tank, the fuel filter, the water separator, the injection pump, and the injection
nozzle.
The fuel from the fuel tank passes through the water separator and the fuel filter where water particles and other
foreign material are removed from the fuel.
Fuel, fed by the injection pump plunger, is delivered to the injection nozzle in the measured volume at the optimum
timing for efficient engine operation.
NOTE:
1 If it find abnormal condition on the fuel injector, refer to section 6E ENGINE DRIVEABILITY AND
EMISSIONS.
2 Do not contain "Additive for water drain" with fuel.

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Isuzu 4JH1 Specifications

General IconGeneral
Bore x Stroke95.4 mm x 104.9 mm
Compression Ratio18.5:1
Fuel SystemDirect injection
Cylinder ConfigurationInline-4
Valves per Cylinder4
Fuel TypeDiesel
Engine TypeDiesel, four-stroke
Displacement3.0 liters
Maximum Torque217 lb-ft (294 Nm) @ 1800 rpm
Oil Capacity6.5 liters (with filter)

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