Isuzu C240 - Page 192

TCM £sHop MANUAL
OIL PRESSURE DOES NOT RISE
Checkpoint
Trouble
Cause
Remedy
ee
NG
_|
Improper
viscosity
engine
oll
|_NG
|
Replace
the
engine
oil
i
Too
much
engine
oil
Correct
the
engine
oil
volume
ok
Oil
pressure
gauge
or
unit
Bi)
{DERG
ere
SA
|
||
Bones
Fepioee,
ee
Dil
preselire
ltesoetoe
Nom:
Detective
indicator
light
Replace
the
indicator
light
oK
,
NG
,
NG
|
Replace
the
oil
filter
element
or
Oil
filter
Clogged oil
filter
element
[|
the
oil
filter
cartridge
l
OK
Relief
valve
and
by-pess
valve
NG
Relief
valve
sticking
and/or
weak
|
NG
Replace
the
relief
valve
and/or
Sere
nee
by-pass
valve
spring
the
by-pass
valve
spring
|
OK
il
pump
NG_|
Clogged
oil
pump
strainer
|-NS_|
n
the
oil
pump
strainer
NG
|
Worn
cil
pump
releted
parts
|-NG_|
Replace
the
oil
pump
related
parts
ok
NG
n
NG
"
Rocker
arm
shaft
Worn
rocker
arm
bushing
Replace
the
rocker
arm
bushing
Continued on the nest page
- 189-