Fuel line ISUZU KB P190 2007 Workshop Repair Manual

0B-2 MAINTENANCE AND LUBRICATION
MAINTENANCE SCHEDULE (For GENERAL EXPORT)
Items followed by an asterisk (*) require more frequent maintenance if the vehicle is driven under severe conditions.
Replace the fuel filter (**Mark) when the fuel filter indicator light is lit.
Refer to "SEVERE CONDITIONS MAINTENANCE SCHEDULE."

I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate


SERVICE INTERVAL: × 1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100(Use odometer reading × 1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60or months whichever
comes first)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
ENGINE
Idling speed and acceleration
(GASOLINE) I I - I - I - I - I - I - I - I - I - I (DIESEL) I I I I I I I I I I I I I I I I I I I I * Air cleaner element
(GASOLINE) - I - I - I - R - I - I - I - R - I - I (DIESEL) I I I I I I I R I I I I I I I R I I I I * Engine oil (HFV6) - - R - - R - - R - - R - - R - - R - - (C24SE) Replace every 12,000km (4JH1-TC, 4JJ1 (Standard Output),
4JJ1 (High Output)) - R - R - R - R - R - R - R - R - R - R

(4JA1-T) R R R R R R R R R R R R R R R R R R R R * Engine oil filter (HFV6) - - R - - R - - R - - R - - R - - R - - (C24SE) Replace every 12,000km (4JH1-TC, 4JA1-T) - R - R - R - R - R - R - R - R - R - R (4JJ1 (Standard Output),
4JJ1 (High Output)) - - - R - - - R - - - R - - - R - - - R
Oil leakage and contamination (GASOLINE) - I - I - I - I - I - I - I - I - I - I (DIESEL) I I I I I I I I I I I I I I I I I I I I Fuel leakage
I I - I - I - I - I - I - I - I - I - I Fuel tank - - - I - - - I - - - I - - - I - - - I O2 Sensor (C24SE) Replace every 160,000km (HFV6)
MIL diagnostic Indicates O2 Sensor Valve clearances (6VE1) Check and adjust if noisy (4JH1-TC, 4JA1-T) A - - A - - - A - - - A - - - A - - - A (4JJ1 (Standard Output),
4JJ1 (High Output)) - - - - - - - A - - - - - - - A - - - -
Spark plugs (C24SE) (for leaded fuel
use) - R - R - R - R - R - R - R - R - R - R
Spark plugs (C24SE) (for unleaded
fuel use) - - - - - R - - - - - R - - - - - R - -
Spark plugs
(HFV6) Replace every 120,000km Spark plug wire - - - - - - - - - - - - - - - - - - - I Fuel filter (GASOLINE) - - - R - - - R - - - R - - - R - - - R (4JH1-TC, 4JA1-T) - - R - - R - - R - - R - - R - - R - - ** (4JJ1 (Standard Output),
4JJ1 (High Output)) Replace the fuel filter when the fuel filter indicator light is lit.
Fuel pump in fuel tank
(4JJ1 (Standard Output),
4JJ1 (High Output)) - - - - - - - I - - - - - - - I - - - -
Engine / Accessory drive belt
(C24SE) - - - - - - - - - I - - - - - - - - - I

(HFV6) Replace every 100,000km Fan belt tension and damage
(DIESEL) I I I I I I I I I I I I I I I I I I I I
* Exhaust system
I I - I - I - I - I - I - I - I - I - I Engine coolant concentration (HFV6) - I - I - I - I - I - I - I - I - I - R (C24SE) - I - I - I - I - R - I - I - I - I - R (DESEL) - I - I - I - I - I - I - I - I - I - I Engine coolant
(4JJ1 (Standard Output),
4JJ1 (High Output)) Change every 2 years
Cooling system for water leakage - I - I - I - I - I - I - I - I - I - I All hoses and pipes in engine
compartment for clogs or damage - I - I - I - I - I - I - I - I - I - I
Timing belt
(C24SE) - - - - - - - - - - - - - - - I - - - - Replace every 120,000km Timing belt (6VE1) Replace every 160,000km

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

MAINTENANCE AND LUBRICATION 0B-5
MAINTENANCE SCHEDULE (For EUROPE)
Items followed by an asterisk (*) require more frequent maintenance if the vehicle is driven under severe conditions.
Replace the fuel filter (**Mark) when the fuel filter indicator light is lit.
Refer to "SEVERE CONDITIONS MAINTENANCE SCHEDULE."
Diesel Engine model (ACEA B2 specification engine oil)

I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate

SERVICE INTERVAL: × 1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
(Use odometer reading or × 1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60
months whichever comes
first)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
DIESEL ENGINE * Engine oil - R - R - R - R - R - R - R - R - R - R* Engine oil filter - - - R - - - R - - - R - - - R - - - ROil leakage and contamination I I I I I I I I I I I I I I I I I I I I Idling speed and acceleration I I I I I I I I I I I I I I I I I I I I Fan belt tension and damage I I I I I I I I I I I I I I I I I I I I Exhaust system I I - I - I - I - I - I - I - I - I - I All hoses and pipes in engine
compartment for clog of damage - I I I I I I I I I I I I I I I I I I I
Valve clearance
- - - A - - - A - - - A - - - A - - - A * Air cleaner element I I I I I I I R I I I I I I I R I I I I ** Fuel filter Replace the fuel filter when the fuel filter indicator light is lit. Engine coolant concentration - I - I - I - I - I - I - I - I - I - I Cooling system for water leakage - I - I - I - I - I - I - I - I - I - I CLUTCH Clutch fluid I I - I - I - I - I - I - I - I - I - I Clutch pedal travel and play I I - I - I - I - I - I - I - I - I - I TRANSMISSION OR TRANSMISSION
W ITH TRANSFER CASE

* Manual transmission with fluid - R - I - - - R - - - I - - - R - - - I * Transfer case oil (MT) - - - I - - - I - - - I - - - I - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Gear control mechanism for
looseness - - - I - - - I - - - I - - - I - - - I
* Automatic transmission fluid - - - I - - - I - - - I - - - I - - - I * Transfer case oil (AT)
- - - I - - - - - - - I - - - - - - - I PROPELLER SHAFT Loose connections - I - I - I - I - I - I - I - I - I - I * Universal joints and splines for wear - I - I - I - I - I - I - I - I - I - I Universal joints and sliding sleeve (4W D) - L - L - L - L - L - L - L - L - L - L
FRONT AND REAR AXLE * Differential gear oil (Front and rear) - R - I - - - R - - - I - - - R - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Shift on the fly system gear oil I - - I - - - I - - - I - - - I - - - I
Front axle shaft boot for damage - - - I - - - I - - - I - - - I - - - I Axle case for distortion or damage - - - I - - - I - - - I - - - I - - - I Axle shafts for distortion or damage - - - I - - - I - - - I - - - I - - - I

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

MAINTENANCE AND LUBRICATION 0B-7

Diesel Engine model (Engine oil that meet or exceeds ACEA B3 specification)
I : Inspect and correct or replace as necessary A : Adjust
R : Replace or change T : Tighten to specified torque L : Lubricate

SERVICE INTERVAL: × 1,000 km 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
(Use odometer reading or × 1,000 miles 3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60
months whichever comes
first)
or months 6 12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
DIESEL ENGINE * Engine oil - - - R - - - R - - - R - - - R - - - R*
Engine oil filter
- - - R - - - R - - - R - - - R - - - R
Oil leakage and contamination I I I I I I I I I I I I I I I I I I I I Idling speed and acceleration I I I I I I I I I I I I I I I I I I I I Fan belt tension and damage I I I I I I I I I I I I I I I I I I I I Exhaust system I I - I - I - I - I - I - I - I - I - I All hoses and pipes in engine
compartment for clog of damage - - - I - - - I - - - I - - - I - - - I
Valve clearance
- - - A - - - A - - - A - - - A - - - A * Air cleaner element I I I I I I I R I I I I I I I R I I I I ** Fuel filter Replace the fuel filter when the fuel filter indicator light is lit. Engine coolant concentration - - - I - - - I - - - I - - - I - - - I Cooling system for water leakage - - - I - - - I - - - I - - - I - - - I CLUTCH Clutch fluid I I - I - I - I - I - I - I - I - I - I Clutch pedal travel and play I I - I - I - I - I - I - I - I - I - I TRANSMISSION OR TRANSMISSION
W ITH TRANSFER CASE

* Manual transmission with fluid - - - R - - - I - - - R - - - I - - - I * Transfer case oil (MT) - - - R - - - I - - - R - - - I - - - I Oil leakage - - - I - - - I - - - I - - - I - - - I Gear control mechanism for
looseness - - - - - - - - - - - I - - - - - - - -
* Automatic transmission fluid - - - I - - - I - - - I - - - I - - - I * Transfer case oil (AT)
- - - R - - - I - - - R - - - I - - - R PROPELLER SHAFT Loose connections - I - I - I - I - I - I - I - I - I - I * Universal joints and splines for wear - I - I - I - I - I - I - I - I - I - I Universal joints and sliding sleeve
(4W D) - L - L - L - L - L - L - L - L - L - L
FRONT AND REAR AXLE
* Differential gear oil (Front and rear) - R - I - - - R - - - I - - - R - - - I Oil leakage I I I I I I I I I I I I I I I I I I I I Shift on the fly system gear oil I - - I - - - I - - - I - - - I - - - I Front axle shaft boot for damage - - - I - - - I - - - I - - - I - - - I Axle case for distortion or damage - - - I - - - I - - - I - - - I - - - I Axle shafts for distortion or damage - - - I - - - I - - - I - - - I - - - I STEERING Power steering fluid I I I I I I I R I I I I I I I R I I I I Oil leakage I I I I I I I I I I I I I I I I I I I I * Steering system for looseness or
damage - I - I - I - I - I - I - I - I - I - I
Power steering hose
- I - I - I - I - I - I - I - R - I - I Steering wheel play I I I I I I I I I I I I I I I I I I I I Steering function I I I I I I I I I I I I I I I I I I I I Right and left turning radius - - - I - - - I - - - I - - - I - - - I W heel alignment - - - I - - - I - - - I - - - I - - - I Joint ball for oil leakage or damage - I - I - I - I - I - I - I - I - I - I Joint ball rubber boot for damage - I - I - I - I - I - I - I - I - I - I


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

MAINTENANCE AND LUBRICATION 0B-11
Recommended Fluids and Lubricants (For GENERAL EXPORT)
In order to obtain maximum performance and longest service life from your ISUZU vehicles, it is very important to
select and use correctly the best lubricants and diesel fuels.
W hen lubricating, be sure to use ISUZU genuine lubricants or recommended lubricants listed below, according to
the maintenance schedule for each vehicle model.
The lubrication intervals in the maintenance schedule and coverage and period of new vehicle warranty are based
on the use of ISUZU genuine lubricants or recommended lubricants listed in the chart, which will serve as a guide
for selecting lubricants of the correct brand name.

GRADE
LUBRICATION MAKE BRAND/TYPE API ACEA JASO
Gasoline engine
crankcase C24SE
ISUZU GENUINE
ISUZU GENUINE
CALTEX
SHELL
ELF
TOTAL
CASTROL
BP BESCO RACING ACE TYPE SJ (5W-30)
BESCO MULTI ACE (7.5W-30)
HAVOLINE FORMULA (15W-40, 10W-30, 20W-50) HELIX PLUS (15W-50)
SUPER SPORTI S (15W-40)
QUARTZ 5000 (15W-40, 20W-50)
GTX-7 (15W-40)
VISCO 3000 (15W-40) SJ
SG SL
SJ/CF SG
SJ/CF
SG/SH
SG/SH


A3/B3
A2/B2


Gasoline engine
crankcase HFV6

CALTEX 10W-30

HAVOLINE FORMULA (10W-30) SL
SL
Diesel engine crankcase
ISUZU GENUINE
ISUZU GENUINE
ISUZU GENUINE
CALTEX/CHEVRON
CALTEX/CHEVRON
SHELL
SHELL
ELF
TOTAL
CASTROL
CASTROL
BP BESCO MULTI-Z TYPE CF-4 (10W-30)
BESCO MULTI-Z SUV (5W-30)
BESCO S-3 (10W, 20W, 30, 40)
DELO CXJ (15W-40, 20W-50, 40)
DELO 400 MULTIGRADE (15W-40)
RIMULA X (15W-40)
RIMULA D (15W-40, 30, 40)
PERFO 3F (15W-40)
RUBIA XT (15W-40)
RX SUPER PLUS (15W-40)
TECTION J PLUS (15W-40)
BP VANELLUS C6 (15W-40) CF-4
CD
CD
CD/CF
CD/CE/CF/CI-4 CH-4
CD/CF
CF-4/CE CF-4
CH-4
CH-4
CH-4



E3/E5 E3
B2/E2 E2
E3
E3/B3 E3


DH-1
DH-1
DH-1



DH-1
Manual transmission
C24SE D
Transfer case
ISUZU GENUINE
CALTEX/CHEVRON
SHELL
ELF
TOTAL
CASTROL
BP

BESCO GEAR OIL TRANSAXLE (5W-30)
DELO 400 MULTIGRADE (15W-40)
HELIX PLUS (15W-50)
SUPER SPORTI (15W-40)
QUARTZ 5000 (15W-40, 20W-50)
RX SUPER PLUS (15W-40)
BP VANELLUS C6 (15W-40)

SG CD/CE/CF/CI-4 SJ/CF
SG/CD SJ/CF
CD/CE/CF
CD/CE/CF


E3/E5
A3/B3
A2/B2

DH-1




Manual transmission
HFV6
MOBIL 75W-90
MOBIL XHP (75W-90) GL-3



Differential
Shift on the fly system
(GL-5 only) ISUZU GENUINE
ISUZU GENUINE
CALTEX
SHELL
ELF
TOTAL
CASTROL
CASTROL
BP
BP BESCO GEAR OIL SH (80W-90, 90, 140)
BESCO SHIFT ON THE FLY (75W-90)
THURBAN GL-5 EP (80W-90, 85W-140)
SPIRAX A (140)
TRANSELF TYPE B (80W-90, 85W-140)
TRANSMISSION TM (80W-90, 85W-140)
EPX90 (90)
DYNA DRIVE (80W-90)
ENERGEAR HYPO (90)
ENERGEAR EP (80W-90) GL-5
GL-5 GL-5
GL-5
GL-5
GL-5
GL-5
GL-5
GL-5
GL-5


Differential
(Limited Slip Differential) ISUZU GENUINE
CALTEX
SELL
ELF
TOTAL
CASTROL
BP BESCO GEAR OIL LSD (140)
GEAR OIL LSD (90)
SPIRAX A LS 90 (90)
TRANSELF TYPE BLS (90)
TRANSMISSION DA (85W-90)
HYPOY LSX (90)
ENERGEAR LS-M (90) GL-5
GL-5
GL-5
GL-5
GL-5
GL-5
GL-5
Automatic transmission
4JH1-TC 4JJ1 (Standard Output)
Power steering
ISUZU GENUINE
CALTEX/TEXACO
SHELL
ELF
TOTAL
CASTROL
BP BESCO ATF III
TEXAMATIC 1888 (DEXRON  III)
SHELL DONAX TG (DEXRON  III)
ELFMATIC G3 (DEXRON  III)
TOTAL FLUID AT42 (DEXRON  III)
TQ DEXRON III (DEXRON  III)
AUTORAN DX3 (DEXRON  III)






Automatic transmission
4JJ1 (High Output)
EXXON MOBIL
MOBIL ATF 3309

Automatic transmission
HFV6
DEXRON III

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

0B-12 MAINTENANCE AND LUBRICATION

GRADE
LUBRICATION MAKE BRAND/TYPE API ACEA

Grease fitting
(Multi purpose grease) ISUZU GENUINE
CALTEX/TEXACO
SHELL
TOTAL
CASTROL
BP BESCO L-2 GREASE (No. 2), L-3 GREASE (No. 3)
STARPLEX-2 (No. 2)
RETINAX LX2 (No. 2)
MULTIS EP2, EP3 (No. 2, No. 3)
LM GREASE (No. 2, No. 3)
ENERGREASE LS (No.2, No3)


Propeller shaft sliding yoke
Universal joint
(Multi purpose grease
containing molybdenum
disulfide) ISUZU GENUINE
CALTEX
SHELL
TOTAL ONE LUBER MO GREASE
MOLYTEX GREASE EP2 (No.2)
RETINAX HDX2 (No.2)
TOTAL MULTIS MS2 (No.2, No.3)

Engine cooling system ISUZU GENUINE
CALTEX/TEXACO/
CHEVRON
BESCO LLC SUPER TYPE E
EXTENDED LIFE COOLANT
HAVOLINE XLC
DELO XLC

NOTE:
* If GL-5 Limited Slip Differential Lubricant is not available, use GL-5 Lubricant mixed with 1 bottle (118ml) of Limited
Slip Differential Lubricant additive (Parts No. 8-01052-358-0) or equivalent.

FLUID TYPE
Clutch and brake fluid reservoir Besco brake fluid (For light duty)
Hydraulic brake fluid SAE J1703
FMVSS 116 DOT.3 grade

DIESEL FUEL/APPLICABLE STANDARD
JIS (JAPANESE INDUSTRIAL STANDARD) Based on K2204 GAS OIL
DIN (DEUTSCHE INDUSTRIE NORMEN) Based on EN590 : 1997
SAE (SOCIETY OF AUTOMOTIVE ENGINEERS) Based on SAE J-313C
BS (BRITISH STANDARD) Based on BS EN590 : 1997

NOTE:
Use the applicable standard or equivalent for diesel fuels.


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

6 – 4 TROUBLESHOOTING
1-3 Engine turn over but does not start engine
Incase of the fuel not being delivered to the injection pump
Step Action Value(s) Yes No
1 Check clogged, damaged the fuel piping or the
connector loosen.
Was any problem found? —

Repair replace problem parts. Go to Step 2
2 Was the over flow valve on the fuel filter closed? — Repair replace
the over flow valve Go to Step 3
3 Was the fuel filter element clogged? — Replace the
fuel filter element Go to Step 4
4 Was the fuel line air bled? — Go to Step 5 Bleed the air
5 Are any DTC stored? — Go to indicated
DTC Solved

Incase of the fuel is being delivered to the injection pump
Step Action Value(s) Yes No
1 Was the water contain in the fuel? — Replace the
fuel Go to Step 2
2 Was the fuel line air bled? — Go to Step 5 Bleed the air
3 Was the injection spray condition complete? —
Go to Step 4 Replace the
injection nozzle
4 Was the injection nozzle injection starting pressure OK? (See below)
Go to Step 5 Replace the
injection nozzle
5 Was the injection nozzle sticking? — Replace the
injection nozzle Go to Step 6
6 Are any DTC stored? — Go to indicated
DTC Solved

Injection nozzle opening pressure
1st = 19.5 MPa (199 kg/cm2, 2828 psi)

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

TROUBLESHOOTING 6 – 5
2. Unstable Idling
Step Action Value(s) Yes No
1 Was the fuel line air bled completely? — Go to Step 3 Bleed the air
2 Was the fuel line leakage or blockage found? — Repair or
replace relation parts. Go to Step 4
3 Was the water contained in the fuel? — Replace the
fuel Go to Step 5
4 Was the fuel filter element clogged? — Replace the
fuel filter element Go to Step 6
5 Was the injection starting pressure or the injection
spray condition OK? (See below)
Go to Step 7 Replace the
injection nozzle
6 Was the injection nozzle sticking? See Step 6 Replace the
injection nozzle Go to Step 8
7 Check the throttle valve condition.
Was the idling port clogged in the throttle valve? —
Repair or
replace the
throttle valve Go to Step 9
8 Was the valve clearance improper adjusted? 0.4 mm
(0.016 in)
both intake
and exhaust valves Adjust the
valve clearance Go to Step 10
9 Was the compression pressure OK? 3,040 kPa
(31 kg/cm2,
441 psi) at 200rpm
Go to Step 11 Readjust the
valve clearance or replace the cylinder head gasket or
cylinder liner or
piston or piston ring or valve
and valve seat
10 Are any DTC stored? — Go to indicated
DTC Solved

Injection nozzle opening pressure
1st = 19.5 MPa (199 kg/cm2, 2828 psi)

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

6 – 6 TROUBLESHOOTING
3. Insufficient Power
Step Action Value(s) Yes No
1 Was the air cleaner element condition OK? (Clogged
or not) —

Go to Step 2 Clean or
replace the air cleaner
element.
2 Was the intake air leakage found from intake system? —
Repair or
replace the intake air system. Go to Step 3
3 Was the fuel filter element condition OK? (Clogged
or not) —

Go to Step 4 Clean or
replace the fuel filter element.
4 Check the fuel injection pipes. Does the injection pipes have obstruction or any
damage? —
Repair or
replace the fuel injection pipes. Go to Step 5
5 Was the water contained in the fuel? — Replace the
fuel Go to Step 6
6 Was the injection nozzle pressure or spray pattern
normal? —

Go to Step 7 Readjust the
injection nozzle pressure or replace the nozzle.
7 Was the compression pressure OK? 3.0 MPa
(31.0 kg/cm2,
441 psi) at 200 rpm
Go to Step 8 Readjust the
valve clearance or replace the cylinder head gasket or
cylinder liner or
piston or piston ring or valve
and valve seat
8 Was the exhaust pipe clogged? — Repair or
replace the
exhaust pipe. Go to Step 9
9 Was the exhaust gas leakage found from exhaust
system? —
Repair or
replace the exhaust system. Go to Step 10
10 Was the waste gate control actuator hose broken or
cracked? —
Replace the
hose. Go to Step 11
11 Was the waste gate working completely? —
Go to Step 12 Replace the
turbocharger assembly.
12 Was turbocharger working completely? —
Go to Step 13 Replace the
turbocharger assembly.
13 Are any DTC stored? — Go to indicated
DTC Solved


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

TROUBLESHOOTING 6 – 7
4. Excessive Fuel Consumption
Step Action Value(s) Yes No
1 Was the air cleaner element clogged? — Clean or
replace the air cleaner
element. Go to Step 2
2 Was the air leakage found from the air intake side of
the turbocharger? —
Repair or
replace the air intake side of the
turbocharger. Go to Step 3
3 Was the turbocharger working completely? —
Go to Step 4 Replace the
turbocharger
4 Was there the fuel leakage? — Repair or
replace the fuel leakage part. Go to Step 5
5 Was the compression pressure OK? 3.0 MPa
(31.0 kg/cm2,
441 psi) at 200 rpm
Go to Step 6 Readjust the
valve clearance or replace the cylinder head gasket or
cylinder liner or
piston or piston ring or valve
and valve seat
6 Was the injection nozzle pressure or spray pattern normal? —

Go to Step 7 Replace the
injection nozzle
7 Are any DTC stored? — Go to indicated
DTC Solved


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

6A – 4 ENGINE MECHANICAL
MAIN DATA AND SPECIFICATIONS
Engine model
Item 4JA1T (L)
4JA1TC
Engine type
Combustion chamber type
Cylinder liner type
Timing gear train system Four-cycle, overhead valve, water cooled
Direct injection
Dry type, chrome plated Gear drive
No. of cylinders-bore × stroke mm (in) 4 – 93 × 92 (3.66 × 3.62)
No. of piston rings Compression ring: 2 / Oil ring: 1
Total piston displacement cm3 (in3)
Compression ratio (to 1) 2,499 (152.4)
18.5
Compression pressure MPa (kg/cm2/psi) 3.0 (31.0/441) – 200 rpm
Engine weight (dry) kg (lb)Approximately 239 (527)
Fuel injection order 1 – 3 – 4 - 2
Fuel injection timing BTDC deg8 -
Specified fuel type
Idling speed rpm

Valve clearances (At cold): Intake mm (in)
Exhaust mm (in)
Intake valves Open at (BTDC) deg
Close at (ABDC) deg
Exhaust valves Open at (BBDC) deg
Close at (ATDC) deg
Fuel system JIS No. 2, DIN/EN590, GB252-1944 Diesel fuel
730 ± 25 (A/C Off)
780 ± 25 (A/C ON)
0.4 (0.016)
0.4 (0.016) 24.5
55.5
54.0
26.0

Injection pump type BOSCH distributor VE type BOSCH distributor VP44 type
Governor type Mechanical (Half all speed
type) Electronically controled
Injection nozzle type
Injection nozzle opening pressure Hole with 5 orifices

MPa (kg/cm2/psi) 1st 19.1 (195 / 2,773) 1st 19.0 (194 / 2,755)
2nd (Reference)
25.5 ∼27.0
(260 ∼275 / 3,702 ∼3,920) 2nd (Reference)
34.0 ∼35.5
(347 ∼362 / 4,936 ∼5,154)
Main fuel filter type
Lubricating system
Lubricating method Cartridge paper element and water separator

Pressure circulation
Specified engine oil (API grade) ISUZU genuine 10W – 30 (API CD of ACEA B2/B3)

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007