Toyota B User Manual

EM-lO ENGINE
MECHANICAL
-
Diesel Engine Diagnosis
HINT:
Overflow
screw
is marked
"OUT"
and
has
an
inner
jet.
Althogh both
fittings are same size,
they must
not
be
interchanged.
INTERCHANGED
OVERFLOW
SCREW
(OUT)AND
INLET
(NO
MARK)
FITTING
Refer to
item
3 of
ROUGH
IDLE WITH WARM
ENGINE.
5. CLOGGED
FUEL FILTER
Disconnect
inlet hose
to
fuel filter and
feed
clean
fuel
directly into the
pump.
lf
the engine
condition
improves, the fuel
filter is
clogged and should
be
replaced.
(See
page
FU-4)
HINT:
When feeding fuel directly
into the
pump,
keep container at same
level
as
vehicle fuel tank.
lf no increase
in
engine
condition after
replacing the
fuel
filter,
check the
priming pump
or
perform
other
necessary repairs.
IMPROPER INJECTION
TIMING
Refer to item 9 of
ENGINE
CRANKS
NORMALLY BUT
WILL NOT START.
7. FAULW INJECTION
NOZZLE
Refer
to
item 11 of
ENGINE
CRANKS
NORMALLY
BUT WILL
NOT
START.
EXCESSIVE EXHAUST SMOKE
HINT:
1.
Check that
the air cleaner
is not
clogged.
2.
Check
with the customer
whether or
not
oil consumption
has
been excessive.
(Possible
Cause)
(Check
Procedure and Correction
Method)
1. IMPROPER INJECTION
TIMING
Refer to item 9 of
ENGINE
CRANKS
NORMALLY BUT
WILL
NOT
START.
HINT:
Black
smoke
indicates advanced
timing
while white
smoke
indicates retarded timing.
Adjustments
should
be
made
accordingly.
Refer to item 5 of
IACK
OF
POWER.
HINT: At high
speed
(2,OOO
-
3,OOO
rpm),
a
clogged
filter tends to
make the exhaust smoke
white.
2.
CLOGGED
FUEL FILTER
3. FAULW
INJECTION NOZZLE
Refer to item 11 of
ENGINE
CRANKS
NORMALLY
BUT WILL NOT
START.
HINT: Excessive exhaust smoke
is
often
caused
by
nozzle
pressure
being too
low.

Toyota B Specifications

General

Brand	Toyota
Model	B
Category	Engine
Language	English