2007 ISUZU KB P190 Workshop Repair Manual

trunk release auxiliary battery location climate settings brakes AUX coolant temperature

Load previous 8 pages

Page 3209 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 7

Fuel Flow
Fuel (A) is drawn into the modular fuel pump and sender
assembly reservoir from the fuel tank, through the primary
umbrella valve (5) and into the fu

Page 3210 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 8

3 System Checks
3.1 Fuel Pump Flow Test
If a reduction of the fuel supply is suspected, perform the following checks.
1 Ensure there is sufficient fuel in the

Page 3211 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 9

A small amount of fuel may be released when
connecting the fuel pressure gauge to the fuel
pressure test point. Cover the fittings with a
shop towel to abso

Fuel System – V6 Page 6C – 9

A small amount of fuel may be released when
connecting the fuel pressure gauge to the fuel
pressure test point. Cover the fittings with a
shop towel to absorb any fuel spillage before
connecting the fuel pressure gauge. After the
fuel pressure test procedure, place the soiled
towel in an approved container for disposal.
3 At the fuel pressure test point, remove the Schrader valve sealing cap.
4 Connect the fuel pressure gauge (1) (tool No. J 34730–1A) to the fuel gauge Schrader fitting
adapter (2) (tool No. AU453), then install to the fuel
pressure test port (3). W rap a shop towel around the
fitting while connecting the fuel pressure gauge to
avoid and/or capture any fuel spillage.
5 Route the bleed hose of the fuel gauge into an approved fuel container.

Figure 6C – 5

After connecting the fuel pressure gauge and
pressurising the fuel system, inspect for fuel
leaks at the fuel pressure gauge and the fuel
pressure test point.
6 Either: Using Tech 2, enable the fuel pump to pressurise the fuel system, refer to 0C Tech 2. Inspect for fuel leaks at the
fuel pressure gauge and fuel pressure test point, then bleed the air from the fuel pressure gauge.
or: Reinstall the fuel pump relay and fuel pump fuse, then open the fuel gauge bleed valve (4) to bleed the air from the
fuel pressure gauge, refer to Figure 6C – 5.
7 Remove and place the soiled shop towel in an approved container.
Test
1 Start the engine and record the fuel pressure.
2 Turn the ignition switch off.
3 If required, perform any tests and/or diagnostic procedures:
• For the fuel system leak test, refer to 3.3 Fuel Leak Test.
• For the fuel injector leak-down test (for vehicles fitted with a V6 engine, refer to 6C1-3 Engine Management –
V6 – Service Operations.
4 Depressurise the fuel system, refer to 3.4 Fuel System Depressurisation.
Removal
1 Turn the ignition switch off.
2 Depressurise the fuel system, refer to 3.4 Fuel System Depressurisation.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Page 3212 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 10

After relieving the fuel system pressure, a
small amount of fuel may be released when
servicing the fuel lines or connections. Cover
the fittings with a sh

Page 3213 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 11

Figure 6C – 6
5 Replace any faulty components and repeat step 2 to step 5 inclusive.
6 Replace all engine components removed to perform the fuel leak tes

Page 3214 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 12

A small amount of fuel may be released when
pressing on the Schrader valve. Cover the
fitting with a shop towel to absorb any fuel
spillage before removing

Page 3215 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 13

4 Service Operations
4.1 Fuel Lines And Quick Connect Fittings
Description
The fuel line connector fittings contain the following
components:
1 O-rings
2

Page 3216 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Fuel System – V6 Page 6C – 14

Removal
1 Depressurize the fuel system, refer to 3.4 Fuel
System Depressurisation.
2 Use compressed air to remove any dirt around the fuel line quick connec

Load next 8 pages

Page: < prev 1-10 ... 3177-3184 3185-3192 3193-3200 3201-3208 3209-3216 3217-3224 3225-3232 3233-3240 3241-3248 ... 6024 next >

warning MPG hood release brake pads dashboard warning lights TPMS