Isuzu 4JB1 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 4JB1 Specifications

General

Brand	Isuzu
Model	4JB1
Category	Engine
Language	English