Toyota 4A-F, Руководство по ремонту

Страница: 75 / 319

SYMPTOM - ROUGH IDLING AND/OR MISSING
CHECK DIAGNOSIS SYSTEM
Diagnosti<:
coc/e\sJ
Check
for
OUtpYl
01 diagnoslic code. Malluncllon
(See
page FI-25
or
FI-2SJ
!Sae page
FI-22)
code\s)
Normal
cOde
CHECk FOR VACUUM LEAKS IN AIR
I . Oil filler cap
INTAKE LINE
2.
Oil dips lick
3.
Hose
COl"lntlClions
4.
PCV
hose lsi
OK
CHECK AIR FILTER ELEMENT
OK
BAD
CHECK IDLE SPEED (AND IDLE CO Idla ,peed Adjusl
CONCENTRATION) NO
Sllndlrd:
800 rpm
OK
CHECK IGNITION TIMING
Ignition timlng
Adjust
(See Pltge EM-37)
1.
Short terminalS T and E
1
of
the check N
O
connector
2.
Check ignition
timing.
S
t. n
d
. r d : , O ·
BTOC
@
Idle
OK
CHECK T-VIS INTAKE AIR CONTROL
1 .
VSV for air control
valve
VALVE
NO 2 .
Vacuum leaks
Check that the
lir control valve is c1osacl .
OK
CHECK SPARK PLUGS
1.
Spark plugs
Stlndllrd:
1.1
mm
{0.043
In.1
N
O 2.
C
o
m
p
re
s
s
i
o
n
pressure
NOTE:
Check compression
pressure
and
M
i n imu m:
10.0
kll/cm2
YJlve clearance
If necessary .
1142
p,i.
881 kPal
at
250
rpm
3 .
Valve
clearanca
(Coldl
Standard: IN O.'rs
-
0.25
mm
(0.006
-
0.010
In.)
ex
0.20
-
0.30
mm
OK
CHECK COLD START INJECTOR
Cold start injection
15110
page FI-72J
BAD
2.
Cold
Slal'l
in;ector time
switch
(See page
FI·9S)
OK
CONTINUEO ON PAGE
FI- I S