2007 ISUZU KB P190 Workshop Repair Manual

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Page 969 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM 6C – 5

For EURO III model

RTW 46AMF000201

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Page 970 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C – 6 FUEL SYSTEM
INJECTION PUMP

RTW 46CLF000201

4JA1T(L):
A Bosch Distributor Type Injection Pump is used. A single reciprocating/revolving plunger delivers the fuel uniformly
t

Page 971 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM 6C – 7
INJECTION NOZZLE (4JA1L)

RTW 76CMF000301
NOTE:
• Injection nozzle adjustment is possible only on the 4JA1L engine.

A hole (with 5 orifices) type injection n

Page 972 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C – 8 FUEL SYSTEM
FUEL TANK
Fuel Tank and Associated Parts

RTW 46CLF000801

Legend
1. Bolt; Fuel Tank
2. Fuel Tank Band
3. Fuel Tube/Quick Connector
4. Fuel Filler Hose

Page 973 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM 6C – 9
Removal
CAUTION: When repair to the fuel system has been
completed, start engine and check the fuel system for
loose connection or leakage. For the fuel system
diagnosi

FUEL SYSTEM 6C – 9
Removal
CAUTION: When repair to the fuel system has been
completed, start engine and check the fuel system for
loose connection or leakage. For the fuel system
diagnosis, see Section “Driveability and Emission".
1. Disconnect battery ground cable.
2. Loosen slowly the fuel filler cap.
NOTE: Be careful not to spouting out fuel because of change
the pressure in the fuel tank.
NOTE: Cover opening of the filler neck to prevent any dust
entering.
3. Jack up the vehicle.
4. Support underneath of the fuel tank with a lifter.
5. Remove the inner liner of the wheel house at rear left side.
6. Remove fixing bolt of the filler neck from the body.
7. Disconnect the quick connector (3) of the fuel tube from the
fuel pipe.
NOTE: Cover the quick connector to prevent any dust entering
and fuel leakage.
NOTE: Refer to “Fuel Tube/Quick Connector Fittings” in this
section when performing any repairs.
8. Remove fixing bolt (1) of the tank band and remove the tank band (2).
9. Disconnect the pump and sender connector on the fuel
pump and remove the harness from weld clip on the fuel
tank.
10. Lower the fuel tank (5).
NOTE: W hen lower the fuel tank from the vehicle, don’t scratch
each hose and tube by around other parts.

Installation
1. Raise the fuel tank.
NOTE: W hen raise the fuel tank to the vehicle, don’t scratch
each hose and tube by around other parts.
2. Connect the pump and sender connector to the fuel pump and install the harness to weld clip on the tank.
NOTE: The connector must be certainly connected against
stopper.
3. Install the tank band and fasten bolt.
Torque N·m (kg·m / lb ft)
68 (6.9 / 50)
NOTE: The anchor of the tank band must be certainly installed
to guide hole on frame.
4. Connect the quick connector of the fuel tube to the fuel pipe and the evapo tube from evapo joint connector.
NOTE: Pull off the left checker on the fuel pipe.
NOTE: Refer to “Fuel Tube/Quick Connector Fittings” in this
section when performing any repairs.

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ISUZU KB P190 2007

Page 974 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C – 10 FUEL SYSTEM
5. Install the filler neck to the body with bolt.
6. Install the inner liner of the wheel house at rear left side.
7. Remove lifter from the fuel tank.
8. Lower the ve

Page 975 of 6020

ISUZU KB P190 2007 Workshop Repair Manual FUEL SYSTEM 6C – 11
FUEL GAUGE UNIT
Fuel Gauge Unit and Associated Parts

RTW 46CLF000901

Legend
1. Fuel Feed Port
2. Fuel Return Port
3. Fuel Emission Port
4. Fuel G

Page 976 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C – 12 FUEL SYSTEM

Removal
CAUTION: When repair to the fuel system has been
completed, start engine and check the fuel system for
loose connection or leakage. For the fuel system
diagnos

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