Isuzu 4JB1 - 2) BLUE OR BLACK SMOKE

00 – 22 SERVICE INF
ORMATION
2) BLUE OR BLACK SMOKE
Checkpoi
nt Trouble Cause Countermeasure
Air
cleaner or intercooler
R
estricted
Clean, r
epair, or replace
T
urbocharger oil seal
Leak
age
Replac
e
T
urbocharger oil drain pipe
R
estricted
Repair
or replace
Air
breather
R
estricted
Clean
Boos
t compensator
(Injection pump)
Def
ective
Repair
or replace
Com
pressor wheel
Im
pact damage
Replac
e
T
urbine wheel
Im
pact damage
Replac
e
Continued on the nex
t page
OKOK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG