Isuzu 4JG2 User Manual

00 – 20 SERVICE INF
ORMATION
13.
TURBOCHARGER
1) ENGINE HAS LESS THAN NORMAL POWER
Checkpoi
nt Trouble Cause Countermeasure
Air
cleaner
R
estricted
Clean or
replace
Intak
e pipe and hose
R
estricted
Clean or
replace
Com
pressor/Intake manifold
Loos
e (Leaking)
Repair
Ex
haust manifold/turbine inlet
Loos
e (Leaking)
Repair
Ex
haust piping and silencers
R
estricted
Clean or
replace
Air
breather
R
estricted
Clean or
replace
Boos
t compensator
(Injection pump)
Def
ective
Repair
or replace
Continued on the nex
t page
OKOK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG

Isuzu 4JG2 Specifications

General

Fuel System	Indirect injection
Cooling System	Water-cooled
Fuel Type	Diesel
Displacement	3.059 L (3059 cc)
Bore x Stroke	95.4 mm x 107 mm
Torque Output	2000 rpm
Valvetrain	Overhead valve (OHV)