sensor ISUZU KB P190 2007 Workshop Repair Manual

ENGINE DRIVEABILITY AND EMISSIONS 6E–267
IDLE AIR CONTROL (IAC) VALVE
Location
Installed on the throttle body.
Removal Procedure 1. Disconnect the negative battery cable.
2. Disconnect the IAC valve connector.
3. Loosen two screws and remove IAC valve from the throttle body.
Cleaning and Inspection 1. Clean the IAC valve O-ring sealing surface, pintle valve seat and air passage.
2. Use carburetor cleaner and a parts cleaning brush to remove carbon deposit.
Do not use a cleaner that contain methyl ethyl
ketone. This is an extremely strong solvent and not
necessary for this type of deposit.
3. Shiny spots on the pintle are normal and do not indicate misalignment or a bent pintle shaft.
4. Inspect the IAC valve O-ring for cuts, cracks or distortion.
Measurement
• Clean the IAC valve O-ring sealing surface, pintle valve seat and air passage.
• Use carburetor cleaner and a parts cleaning brush to remove carbon deposit. Do not use a cleaner that
contain methyl ethyl ketone. This is an extremely
strong solvent and not necessary for this type of
deposit.
• Shiny spots on the pintle are normal and do not indicate misalignment or a bent pintle shaft.
• Inspect the IAC valve O-ring for cuts, cracks or distortion. Replace the O-ring if damaged. Installation Procedure
1. Tighten the IAC valve by two screws.
2. Connect a IAC valve connector to the MAP sensor.
3. Connect the negative battery cable.
NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.

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ISUZU KB P190 2007

6E–268 ENGINE DRIVEABILITY AND EMISSIONS
KNOCK SENSOR
Location
Right-hand side of the cylinder block.
Removal Procedure 1. Disconnect the negative battery cable.
2. Disconnect the knock sensor connector.
3. Loosen a bolt and remove knock sensor from the cylinder block.
Installation Procedure 1. Tighten the knock sensor by a bolt with specified tightening torque.
Tightening Torque
• Bolt: 20N·m (2.0kgf·m) 2. Connect a knock sensor connector to the knock sensor.
3. Connect the negative battery cable.
NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.
POWER STEERING PRESSURE (PSP)
SWITCH
Location
Installed on the power steering pump assembly.
Removal Procedure 1. Disconnect the negative battery cable.
2. Disconnect the power steering pressure switch connector.
3. Loosen and remove the power steering pressure switch from the power steering pump.
Installation Procedure 1. Install the power steering pressure switch to the power steering pump.
2. Tighten the power steering pressure switch.
3. Connect a connector to the power steering pressure switch.
4. Connect the negative battery cable.
NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.
Verify no power steering fluid leaking from the sensor
threads after replacement.

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ISUZU KB P190 2007

ENGINE DRIVEABILITY AND EMISSIONS 6E–269
HEATED OXYGEN SENSOR (HO2S)
Location
Installed on the exhaust pipe.
Removal Procedure 1. Disconnect the negative battery cable.
2. Disconnect the O
2 sensor connector.
3. Loosen and remove the O
2 sensor from the exhaust
pipe.
Inspection
Inspect the louvered end of the sensor for grease, dirt,
excessive carbon build up or other contamination.
Installation Procedure
1. Install the O
2 sensor to the exhaust pipe.
2. Tighten the O
2 sensor with specified tightening
torque.
Tightening Torque
• Bolt: 42N·m (4.3kgf·m)
3. Connect a O
2 sensor connector to the O2 sensor.
4. Connect the negative battery cable.
NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.
Verify no exhaust gas leaking from the sensor threads
after replacement.
EVAP CANISTER PURGE VALVE
SOLENOID
Location
On the intake manifold.
Removal Procedure 1. Disconenct the negative battery cable.
2. Disconnect a purge solenoid connector from the purge solenoid.
3. Disconnect two hoses from the purge solenoid valve.
4. Slide from the bracket and remove the purge solenoid.
Installation Procedure 1. Insert EVAP purge solenoid valve onto the bracket.
2. Connect two hoses to the purge solenoid valve.
3. Connect a purge solenoid connector to the purge solenoid.
4. Connect the negative battery cable.
NOTE: Verify any DTCs (diagnosis Trouble Code) are
not stored after replacement.
Verify proper connection of two hoses.

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ISUZU KB P190 2007

ENGINE EXHAUST 6F-9
Catalytic Converter (If applicable)
Catalytic Converter and Associated Parts



RTW 46FSF000301
Legend
1. Catalytic Converter
2. O
2 Sensor Converter
3. Front Pipe Fixing Nuts
4. Mid Pipe Fixing Nuts









Removal
(2.4L)
1. Disconnect battery ground cable.
2. Raise the vehicle and support with suitable safety stands.
3. Remove front pipe fixing nuts (3).
4. Remove mid pipe fixing nuts (4).
5. Remove the O
2 sensor connector (2).
6. Remove the front exhaust pipe with catalytic converter (1).





Installation
1. Install Catalytic Converter (1) and tighten four to the specified torque:
Torque:
Fixing nuts: 28 N ⋅
⋅⋅
⋅
m (2.9 kgf ⋅
⋅⋅
⋅
m)
2. Tight two nuts (4) Torque:
Nuts: 43 N ⋅
⋅⋅
⋅
m (4.4 kgf ⋅
⋅⋅
⋅
m)
3. Connect the O
2 sensor connector (2).


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ISUZU KB P190 2007

6J-2 INDUCTION

Service Precaution
CAUTION:
Always use the correct fastener in the proper location.
When you replace a fastener, use ONLY the exact part
number for that application. ISUZU will call out those
fasteners that require a replacement after removal. ISUZU
will also call out the fasteners that require thread lockers
or thread sealant. UNLESS OTHERWISE SPECIFIED, do
not use supplemental coatings (Paints, greases, or other
corrosion inhibitors) on threaded fasteners or fastener
joint interfaces. Generally, such coatings adversely affect
the fastener torque and the joint clamping force, and may
damage the fastener. When you install fasteners, use the
correct tightening sequence and specifications. Following
these instructions can help you avoid damage to parts
and systems.


RTW 46JSH000101










Air Cleaner Filter
NOTE:
The air cleaner filter is not damaged with the edge of the air
cleaner housing.

Removal
1. Remove positive ventilation hose connector.
2. Remove intake air temperature sensor.
3. Remove mass air flow sensor.
4. Remove air cleaner duct assembly.
5. Remove air cleaner element.

Inspection
Check the air cleaner filter for damage or dust clogging.
Replace if it is damaged, or clean if it is clogged.



Cleaning Method
Tap the air cleaner filter gently so as not to damage the paper
filter, or clean the element by blowing with compressed air of
about 490 kPa (71 psi) from the clean side if it is extremely
dirty.


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ISUZU KB P190 2007

INDUCTION 6J-3


Installation
1. Install air cleaner element.
2.
Attach the air cleaner duct cover to the body completely,
then clamp it with the clip.
3. Install mass air flow sensor.
4. Install mass air temperature sensor.
5. Install positive crankcase ventilation hose connector.



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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–8

1 General Information
The HFV6 engine features a closed vee, deep skirt die cast aluminium cylinder block with cast iron cylinder liners,
internally balanced crankcase, full length water jackets and six bolt main bearing caps.
The cylinders are arranged in two banks of three with a 60 degree included angle between the two banks.
The right-hand bank of cylinders consists of number 1-3-5
cylinders and the left-hand bank of cylinders consists of
number 2-4-6.
The engine firing order is 1-2-3-4-5-6.
Each aluminium cylinder head is fitted with hardened valve
seats and four valves per cylinder: two intake and two
exhaust.
The valves are operated by two camshafts (DOHC) per
cylinder bank, one each for intake and exhaust valves.
The crankshaft is manufactured from forged steel. A reluctor
wheel is pressed in place onto the rear of the crankshaft for
the crankshaft position sensor.
The connecting rods are manufactured from powdered
metal and the rod cap is separated during the manufacturing
process using the fractured method. This creates a stronger,
visually seamless rod to cap union.
Figure 6A1 – 1
1.1 WARNING, CAUTION and NOTES
This Section contains various W ARNINGS, CAUTIONS and NOTE statements that you must observe carefully to reduce
the risk of death or injury during service, repair procedures or vehicle operation. Incorrect service or repair procedures
may damage the vehicle or cause operational faults. W ARNINGS, CAUTION and NOTE statements are not exhaustive.
HOLDEN LTD can not possibly warn of all the potentially hazardous consequences of failure to follow these instructions.
Definition of WARNING, CAUTION and NOTE Statements

Diagnosis and repair procedures in this Section contain both general and specific W ARNING, CAUTION and NOTE
statements. HOLDEN LTD is dedicated to the presentation of service information that helps the technician to diagnose
and repair the systems necessary for proper operation of the vehicle. Certain procedures may present a hazard to the
technician if they are not followed in the recommended manner. W ARNING, CAUTION and NOTE statements are
designed to help prevent these hazards from occurring, but not all hazards can be foreseen.
WARNING defined
A W ARNING statement immediately precedes an operating procedure or maintenance practice which, if not correctly
followed, could result in death or injury. A W ARNING statement alerts you to take necessary action or not to take a
prohibited action. If a W ARNING statement is ignored, the following consequences may occur:
• Death or injury to the technician or other personnel working on the vehicle,
• Death or injury to other people in or near the workplace area, and / or
• Death or injury to the driver / or passenger(s) of the vehicle or other people, if the vehicle has been improperly
repaired.
CAUTION defined
A CAUTION statement immediately precedes an operating procedure or maintenance practice which, if not correctly
followed, could result in damage to or destruction of equipment, or corruption of data. If a CAUTION statement is ignored,
the following consequences may occur:
• Damage to the vehicle,
• Unnecessary vehicle repairs or component replacement,
• Faulty operation or performance of any system or component being repaired,
• Damage to any system or components which depend on the proper operation of the system or component being
repaired,

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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–11

Figure 6A1 – 3
Legend
1 PCV Hose
2 PCV Hose O-Ring Outer (larger)
3 PCV Hose O-Ring Inner (smaller)
4 Upper Intake Manifold
5 Lower Intake Manifold
6 Upper Intake Manifold Bolt – Long
7 Upper Intake Manifold Bolt – Short
8 Lower Intake Manifold to Upper Intake Manifold Guide Pin
9 Upper Intake Manifold to Lower Intake Manifold Gasket
10 Lower Intake Manifold to Cylinder Head Gasket
11 Lower Intake Manifold Bolt
12 Fuel Rail Bolt
13 Fuel Rail
14 Fuel Injector
15 Fuel Injector Retainer
16 Fuel Injector Upper O-ring 17 Fuel Injector Lower O-ring
18 Fuel Pressure Service Valve Cap
19 Fuel Pressure Service Valve
20 Ball Stud
21 Fuel Injector Wiring Harness
22 Throttle Body
23 Throttle Body Bolt
24 Throttle Body Gasket
25 Throttle Body Engine Wiring Harness Clip
26 EVAP Purge Solenoid
27 EVAP Purge Solenoid Bolt
28 EVAP Purge Solenoid Tube
29 EVAP Purge Solenoid Bracket
30 BARO Sensor Bolt
31 BARO Sensor
32 BARO Sensor O-Ring

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Engine Mechanical – V6 Page 6A1–12

Engine Front Cover

Figure 6A1 – 4
Legend
1 Engine Front Cover Locating Pin
2 Engine Front Cover Bolt, M10
3 Engine Front Cover
4 Engine Front Cover Gasket
5 Engine Front Cover Bolt, M8
6 Engine Front Cover Seal
7 Coolant Pump Assembly
8 Coolant Pump Bolt
9 Coolant Pump Gasket 10 Coolant Pump Pulley
11 Coolant Pump Pulley Bolt
12 Crankshaft Balancer
13 Crankshaft Balancer Bolt
14 Camshaft Position Sensor
15 Camshaft Position Sensor O-ring
16 Camshaft Position Sensor Bolt
17 Camshaft Position Actuator Solenoid Valve Seal


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ISUZU KB P190 2007

Engine Mechanical – V6 Page 6A1–15

Cylinder Head Assembly

Figure 6A1 – 7
Legend
1 Cylinder Head, Left-hand
2 Cylinder Head, Right-hand
3 Cylinder Head Gasket, Left-hand
4 Cylinder Head Gasket, Right-hand
5 Cylinder Head Bolt
6 Cylinder Head Front Bolt
7 Cylinder Head Coolant Hole Threaded Plug
8 Spark Plug Sleeve
9 Cylinder Head Oil Gallery Expansion Plug
10 Exhaust Valve
11 Intake Valve
12 Valve Rocker Arm Assembly
13 Hydraulic Valve Lash Adjuster Assembly
14 Valve Stem Oil Seal 15 Valve Spring
16 Valve Spring Cap
17 Valve Stem Key
18 Cylinder Head Camshaft Front Thrust Bearing Cap
19 Camshaft Oil Seal Ring
20 Exhaust Camshaft
21 Intake Camshaft, Left-hand (bank 2)
22 Intake Camshaft, Right-hand (bank 1)
23 Exhaust Camshaft, Right-hand (bank 1)
24 Cylinder Head Camshaft Cap – Intermediate
25 Cylinder Head Camshaft Cap Bolt
26 Cylinder Head Oil Galley Check Valve
27 Engine Coolant Temperature Sensor

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ISUZU KB P190 2007