carb DATSUN 210 1979 Owner's Guide

Engine
Fuel

Upon
completion
of

adjustment

make
sure
that

link

system
opera
tes

smoothly
It
is

necessary
to
remove
Carburetor

from

engine
in

adjusting
this
accelera

tor

pump
stroke
limiter

1

Remove
carburetor

from

engine

2

Insert
a
l
l

to
I
S
mm
0

043
to

0
059

in
feeler

gauge
a

piece
of

round

stock
of

proper
thickness
is

best

betwee
l
primary
ca

buretor

throat
and
throtile
valve
ACCELERATOR
PUMP

STROKE

LIMITER

In

rmal
service

operation
this

limiter
should

not
be
removed
or

bent

In
J

0

ID

@

l

1IJl

J
J
00

I
f

oj

G
1
3
IO
2

mm
0
051
IO
004
in

Fig
EF
44
AdjlUting
Acce
rator

Pump
Stroke
Limiter
1
Primary
carburetor
throat

2
Throttle
valve

3
Lever

4

Limiter
5
Piston

6

Pin

7
Feeler

gauge

E
F048A

3

With
throttle
valve
held

open

properly
by
feeler

gauge
check

that

lever

barely
contacts

pin
If
lever
and

pin
are
not
in

contact

bend
limiter
until

proper
contact
is

made

OZ
00
A

fID

1

S

@

4
1

Full

travel
of

lever

f

EF049A
A
1
Lever

2
Correct

contact
area

3
Limiter

4
Pin

5

Pistgn
6
Correct
cont
ct
area

7
Lever

8

Limiter

9
Pin

10
Piston

Fig
EF
45
Stroke
Limiter

DASH

POT

I

Idling
speed
of

engine
and
mix

ture
must

be
well

tuned

up
and

engine

sufficiently
warm

2
Turn
throttle
valve

by
hand
and
read

engine
speed
when
dash

pot
just

toucnes

stopper
lever

3

Adjust
position
of
dash

pot
by

tuming
nut
until

engine
speed
is

in
the

specified

range

California

models
Non

Califomia

models

Automatic

transmission
1

900

to
2

100
1
900
to

2
100

Manual
transmission

1
900

tp
2

100
2
300

to
2

500

FU
model

1

900
to
2

100

EF

t8
1
Lock
nut

2
Dash

pot

E

F730

F
ig
EF
4

Ll
dj

ting
h

P
ot

4

Tighten
lock
nuts

5

Make
sure
that

engine
speed

drops
smoothly
from
2

000

to
1
000

rpm
in

about
three

seconds

ACCELERATING
PUMP

I

Visually
inspect

accelerating

pump
cover

for

any

sign
of
fuel

leaks

2

If
fuel

leaks
are
found

check

gasket
and

replace
if

necessary

3

Turn
throttle

valve

by
hand

make
sure
fuel
is

injected

through

injector
nozzle

Note
To

check
or

fuel

injection

peep
into
nozzle
rom

upper
side

while

directing
flashlight
beam
to

ward

primary
barrel

ANTI
DIESELING

SOLENOID

VALVI

Start
the

engine
and

keep
at

idling

speed
Disconnect
the

lead
w

e
for
the

anti
dieseling

solenoid
at
the

connec

tor

If
the

engine
does

not

stop
when

the
lead

wire
is

disconnected
the

solenoid
is

stuck
Reconnect
the
lead

wire
and

start
the

engine
Then
turn

off
the

ignition
switch

If
the

engine
does
not

stop
when

the

ignition
switch
is
turned
off

this

indicates
that
the

striking
solenoid

valve
is

stuck
or

short

circuited

If
the

harness
i
in

good
condition

replace
the
solenoid
valve
as
a
unit

1

Servo

diaphragm
4

Stopper

2
Bracket
5
Link

3
Lock
nut
6
Carburetor

EF732

Fig
EF
56

Adjusting
Seroo

Diaphragm

Adjwting
Screw

FUEL

SHUT
OFF

SYSTEM

Precautions

a

Before

checking
make
sure

engine

is

warmed

up
and
choke
wive
is

fully
open

b

On
air
conditioner

equipped
mod

els
turn
off

air
conditioner
switch

in

steps
I

through
12

c

Keep
clutch

pedal
held
down
with

your
foot
while

depressing
accele

g

f
J

1
Engine
Fuel

rator

pedllI
when
shift
leVer
ISm

any
position
other
than

neutral

Otherwise
car
will

surge
forward

abruptly

Note
Do

not
attach
test
leads
of
a

circuit
tester
to
terminals
other

than
those

designated

Run

engine
at

idling

speed

2
Disconnect

anti
dieseling
solenoid

valve
connector
and
make

sure
that

engine

stops
If

not

replace
anti

dieseling
solenoid
valve

assembly

EF856

Fig
EF

57

Checking
Function

of

Anti
die

eling
Solenoid
Valve

31
A

t

CID

@

V

II
l

To

distributor

T
n

l1on
coon
o

1

Ignition
switch

2
Fuse

3

Anti
dieseling
solenoid

4

Neu
tral

detecting
switch
5
Throttle
valve
swltch

6

Engine
revolution
switch

7

Transistor

ignition
unit

8
Function
test
connector

Fig
EF
58

Checking
Fuel
Shut
off

System
Operation
with
Function

Test
Connector
EF436A

EF
22
3
Conilect
anti

ieselingsolenoid

valve
connector

4
Restart

engine

5
Connect

circuit
tester

as
shown
in

Fig
EF
S8

6

Depress
clutch

pedal
and

shift

gears
into
5th

position

7

Depressing
clutch

pedal
increase

engine
speed
to

about
3

000

rpm
by

depressing
accelerator

pedal
Then

quickly
close
throttle
wIve

by
re

leasing
accelerator

pedal

8
At
this
time
check

for

presence

of

voltage
across
A

and
B

I
If

voltmeter

reading
i
ero
dur

ing
acceleration
and
is
12V

during

deceleration
fuel
shut
off

system
is

functioning

2
If

voltmeter

reading
is

zero
or

l2V
in

both

engine
operations
fuel

shut
off

system
is

malfunctioning

In

any
case
continue
with
the

following
items

9

Shift
lever
to
neutral

then
in

crease

engine
speed
and

quickly
close

throttle
valve

If

voltmeter

reading
is

zero
in
both

engine
operations
and
results
of
test

i
tern

8
are
correct
neutral

detecting

switch
is

functioning
properly
If
not

check
neutral

detecting
switch
harness

and
connections

Replace
if

necessary

10
Turn

off

ignition
switch

II

Disconnect
throttle
valve
switch

connector
and
connect

circuit
tester

to
throttle
valve
switch
connector

12

Run

engine
under

no
load
In

crease

engine

speed
slowly
and
make

sure

engine
speed
is
within
the

speci

fied

range
when
throttle
valve
switch
is

turned
on

Then

decrease

engine
speed
slowly

and
make
sure

engine
speed
is
within

the

specified
range
when
throttle
valve

switch
is
turned

off

If
not

adjust
throttle
valve

switch

13
In
air

conditioner

equipped

models

proceed
as
follows

I
Check
F
l
C
D

rpm
and
correct

if

necessary

2
With

air
conditioner
in
ON

F
l
C
D
is
actuated
increase

engine

speed
slowly
then
decrease
it
And

make

sure
throttle
valve

operates

Click
sOund
is
heard
or

continuity

turns
to
OFF
when

engine
speed

decreases
to

idling

If
not

adjust
throttle
valve
switch

Fig
EF

59

Adjusting
Throttle

Valve
Switch
Eng
ine
Fuel

If
throttle
valve
switch
cannot
be

adjusted
to

specification
replace

Engine
operation
Throttle
valve
switch

continuity
Engine
speed

rpm

When

engine
speed

increases
OFF
ON
1
150

t200

When

engine
speed

decreases
ON

OFF
I
000
t
200

Inspecting
engine
revolution

switch

Note
Before

checking
the

engine

revolution
switch

make
sure

the

functions
of
other

components
are

correct
in
accordance

with
the

items

described
above

Disconnect
throttle
valve

switch

connector
2
Connect
circuit
tester

3
Run

engine
at

idling
speed

4

Depress
clutch

pedal
and
shift

gear
into
5th

position

5

Depressing
clutch

pedal
increase

engine
speed
slowly
Make

sure

engine

speed
is
within
the

specified
range

when
voltmeter

goes
from
OV
to
l2V

Then
decrease

engine

speed
slowly

and
make

sure

engine
speed
is
within

the

specified
range
when
voltmeter

goes
from
12V

to
OV

EF
23
MAJOR
SERVICE

OPERATION

The

perfectly
adjusted
carburetor

deliver
the

proper
fuel
and
air
ratios

at
aD

speeds
for
the

particular
engine

for
which
it

was

designed
By
com

pletely
disassembling
at
re
ular
inter

vals
which
will
allow

cleaning
of
all

parts
and

passages
the
carburetor
can

be
maintained
in
its

original
condition

and
will

continue
to
deliver
the

proper

ratios

To
maintain
accurate
carburetion

of

passages
and

discharge
holes
ex

treme
care
must
be
taken
in

cleaning

Use

only
carburetor
solvent
and

compressed
air

to
clean
all

passages

and

discharge
holes
Never

use
wire

or

other

pointed
instrument
to
clean
or

carburetor
calibration
will
be
affected

REMOVAL

Remove
carburetor
from

engine

taking
sufficient

care
to
the

following

Precautions

a
When

disconnecting
fuel
lines
do

not

spill
fuel
from
fuel

pipe

b
When

removing
carburetor

do
not

drop

any
nut

or
bolt
into

intake

manifold

c
Be

careful
not
to
bend
or
scr
tch

any

part

d
Link

system
of
carburetor
differ

between
models
for
U
S
A

and

Canada
For
details
see

Figure
EF

60
which
is
based
on
Canadian

models

FU
model
Engine
Fuel

If

@
Choke
chamber

@
Ceo
ter

body

@
Throttle
chamber

1
Dash

pot

2
An
tomatic
choke

cover

3
Automatic
choke

body
and

diaphragm

chamber

4

Throttle
valve
switch

assembly

5
Throttle

valve
switch

adjust
screw

6
Fast
idle

adjust
screw

7

Secondary
slow

jet
EF567A

8

Secondary
small
venturi

9

Primary
small
venturi

10
Power
valve

11

Secondary
main
air

bleed

12

Plug

13

Primary
main
air
bleed

14

Plug

15

Injector
weight

16

Primary
slow
air
bleed

17

Accelerating
pump

18
Needle
valve

19

Plug
20

Primary
slow

jet

21
Float

22
Anti
dieseling
solenoid

valve

23

Secondary
main

jet

24

Primary
main

jet

25
Idle
limiter

cap

26
Idle

adjust
screw

27
Throttle

adjust
screw

28
Vaeuum
screw

29

Primary
and

secondary
throttle

valves

Note
Do

not
remove
the

parts
muked

with
an

utemk

Fig
EF
61
Carburetor

EF
25

Engine
Fuel

Dhassembly

1

Properly
fitting
wrenches

and

screwdrivers
must
be

used
on
the

nozzles
and

jets
as

well
as
on
the
screws
arid
nuts
and
cafe
must
be

exercised
not
to

damage
any
parts

2

Clean
the
carburetor
thoroughly

before
disa
lSembly

Choke
chamber

parts

Except
FU
model

@

FU
model
3
Do
not

attempt
to
remove

any

parts
marked
with
an
asterisk

Servo

diaphragm
of

throttle

opener

2

Automatic
choke

cover

3
Dash

pot

4

S

pring
hanger

S
Automatic

chl
ke
body
and

diaphragm
chamber

6
Choke
valve

7

Pump
lever

retufn

sprina

8

Accelerating
pump
lever

9

Accelerating
pump
lever

shaft

10

Accelerating
pump
dust
cover

11

Accelerating
pump

12

Primary
slow
air

bleed

13
Needle
valve

14
Float

IS
Stroke
limiter

Notc
Do
Dot
remove

the

parts

marked
with
an

asterisk

EF085A

CHOKE

CHAMBER
PARTS

1

Dash

pot

2

Automatic
choke
cover

3
Automatic
choke

body
and

diaphragm
chamber

4

Throttle
valve
switch

assembly

S

Primary
slow

air
bleed

6
Needle
valve

7

Float

EF

26
EF086A

Fig
EF

62
Chohe

Chamber

CLEANING
AND
INSPECTION

Dirt

gum
water
or
carbon
con

tamination
in
or
on
exterior

moving

parts
of
a
carburetor
are
often

respon

sible
for

unsatisfactory
performance

For
this

reason
efficient
carhuretion

depends
upon
careful
cleaning
and

inspection
while

servicing

Blow
all

passages
and

castings

with

compressed
air
and
blow
off
all

parts
until

dry

Note
Do
not

pass
drills
or
wires

through
calibrated

jets
or

passages

as
this

may

enlarge
orifice
and

seriously
affect
carburetor
calibra

tion

2
Check
all

parts
for
wear
If
wear

is
noted

damaged
parts
must
be
re

placed
Note

especially
the

following

I
Check
float
needle
and
seat
for

wear
If
wear
is

noted
assembly
must

be

replaced

2
Check
throttle
and
choke
shaft

bores
in
throttle
chamber
and
choke

chamber
for
wear
or
out
of
roundness

3

Inspect
idle

adjusting
needle
for

hurrs
or

ridges
Such
a
condition
re

quires
replacement
Engine
Fuel

3

Inspect
gaskets
to
see
if

they

appear
hard
or

brittle
or
if

edges
are

torn
or

distorted
If

any
such

condi

tion
is
noted

they
must
be

replaced

4

Check

filter
screen

for
dirt
or
lint

Clean

and
if
screen
is

distorted
or

remains

plugged
replace

5

Check

linkage
for

operating

condition

6

Inspect
operation
of

accelerating

pump
Pour
fuel
into
float
chamber

and
make
throttle
lever

operate
Check

condition
of
fuel

injection
from
the

accelerating
nome

7
Push

connecting
rod
of
dia

phragm
chamber
and

block

passage
of

vacuum
with
finger
When

connecting

rod
becomes
free
check
for
leakage
of

air
or

damage
to
diaphragm

Jets

Carburetor
performance
depend

on

jets
and
air
bleeds
That
is

why

these

components
must
be
fabricated

with
utmost
care
To

clean
them
use

cleaning
solvent
and

blow
air

on
them

Larger
inner
nwnbers

stamped
on
the

EF

29
jets
indicate

larger
diameters
Ac

cordingIy
main
and
slow

jets
with

larger
numbers

provide
richer
mixture

the
smaller
numbers
the
leaner
mix

ture

Conversely
the
main

and
slow
air

bleeds

through
which
air

to

passes

make
the
fuel

leaner
if

they
bear

larger

numbers
the
smaller

numbers
the

richer
fuel

Assembly

To
assemble
reverse

the
disassem

bly

procedure
taking
care
to
the

following

I
Thoroughly
wash
all
the

parts

before

assembling

2

Inspect
gaskets
to

see
if

they

appear
hard
or
brittle
or
if

edges
are

torn
or
distorted

If

any
of
such
undesirable
condi

tions
is

noted

they
must
be

replaced

3
Install

jet
and
air

bleed

having
the

Same
size

number
as
that
of

original

one

4

After
reassembling
carburetor

check
each

rotating
portion
or

sliding

portion
for
smooth

operation

Engine

fuel

TROUBLE

DIAGNOSES
AND

CORRECTIONS

In
the

following
table
the

symp

toms
and
causes
of
carburetor
troubles
and
remedies
for
them
are
listed
to

facilitate

quick
repairs

There
are
various

causes
of

engine

malfunctions

It
sometimes

happens

that
a

carburetor
which
has
no
fault

appears
to
have

some

problems
when

Condition
Probable

cause

Overflow

Dirt
accumulated
on
needle
valve

Fuel

pump
pressure
too

high

Needle
valve

improperly
seated

Excessive
fuel

consumption
Fuel
overflow

Slow

jet
too

large
on
each
main

jet

Main
air

bleed

clogged

Choke
valve
does

not

open
fully

Outlet

valve
seat
of

accelerator

pump

improper

Unked

opening
of

secondary
throttle
valve

opens
ioo

early

Power

shortage
Mainjels
clogged

Every
throttle
valve
Joes

not

open

fully

Idling
adjustment
incorrect

Fuel
filter

clo
ll
ed

Vacuum

jet
clogged

Air
cleaner

clogged

Diaphragm
damaged

Power
valve

operating
improperly

Improper
idling
Slow

jet

clogged

Every
throttle
valve

does
not
close

Secondary
throttle
valve

operating
im

properly

Throttle
valve
shafts
wom

Packing
between

manifold
carburetor

faulty

Manifold
carburetor

tightening

improper

Fuel
overflow

T

O
C
S

adjustment
incorrect

Vacuum
control
solenoid

damaged

Stuck
dash

pot

EF
30
acfuaJIy
theelectric

syslem
i
at
fatilt

Therefore

whenever
the

engine
is
mal

functioning
the

electrical

system

should
be
checked

fust
before

adjust

ing
carburetor

Corrective

action

Clean
needle
valve

Repair
pump

Replace

See
above

item

Replace

Clean

Adjust

Lap

Adjust

Clean

Adjust

Repair

Repair

Clean

Clean

Replace

Adjust

Clean

Adjust

Overhaul

and
clean

Replace

Replace

packing

Correct

tightening

See
the
first

item

Adjust

Replace

Replace

Engine
Fuel

SERVICE
DATA
AND

SPECIFICATIONS

GENERAL

SPECIFICATIONS

CARBURETOR

California
models

Non
caJ
ifornia
model

Manual
tranlDlWion

Automatic
transmission

Manual
transmission
FU
model

utomatic
transmission

Type
DCH306
6t
DCH306
63
DCH306
60E

DCH306
67
DCH306
68
3

DCH306
69
1
DCH306
60
2

DCH306
12
4

Primary
Secondary

Primary
Secondary
Primuy
Secondary
Primary

Secondary
Primary
Secondary

Outer

diameter

26
1
02
30
1
18

26
1

02
30
1
18

26
1

02
30
1
18
26
1

02
30
1
18
26
1

02
30
1
18

mm
in

Venturi
diameter

23

0
9t
27
1
06
23

0
91
27
1
06
23
0
91
27
1
06
22

0
87
27
1
06
23
0
91
27
1
06

mm

in

Main

jet
107
145
107

1145
106

145

1107
145
105

1145

104
2
t04
4

Main
air
bleed

95

180
95

180
1110
80
65

1M
195
80

Slow

jet
1145
150
145
150
145
150
146

150
45

150

Powerjet

143
43

140
148
2

48
138
140
4

1
With
A15

engine

2
4
For
Canada

models

3
Common

to
models
with
A14
and

AlS
engines
except
Canada

INSPECTION

AND

ADJUSTMENT

A
T
C
AIR

CLEANER

Air

con
trol
valve

partially

opens

Air
control
valve

fully
opens
Oc
OF

Oc
F
38
to
54

100
to
129

Above
55
131

IDLE

COMPENSATOR

Idle

compensator
partially

opens

Bi
metal
No
I

Bi

metal
No
2

Idle

compensator
fully

opens

Bi
metal
No
I

Bi
metal
No
2
Oc
OF

60
to
70

140
to

158

70
to
80
158
to
176

Oc
OF

Above

70

158

Above

80

176

FUEL

PUMP

Fuel

pressure

Fuel

pump

capacity
kgfcm2

psi

cc

cu
in
min

at

rpm
0
27
3

8

450
27

46
1

000

EF

32

a

California
models
Non
california
modeli
Except
Canada
Canada
III
C

A4
A15
A14
AI5
A
4
a

M
T
AfT
AfT
M
T
A
T
M
T
FU
A
r
MfT
AfT
11
1
4

DCH306
61
DCH306
63
DCH306
69
DCH306
60E
DCH306
68
DCH306
67
DCH306
68
DCH306
60
DCH306
12
0
a

Fuel
level
adjustment

Fuel
level
from
top
of
19
0
75
19
0
75
19
0
75
19
0
75
19
0
75
19
0
75
19
0
75
19
0
75
19
0
75

carburetor
body
mm
in

H

Gap
between
vlave
stem
and

float
scat
mm
in
t5
0
59
IS
0
59
IS
0
59
IS
0
59
IS
0
59
IS
0
59
IS
0
59
IS
0
59
IS
0
59

H
1
3
to
1
7
1
3
to
1
7
1
3
to
1
7
1
3
to
1
7
1
3
to
1
7
1
3to17
1
3
to
1
7
1
3
to
1
7
1
3
to
1
7

h
0
051
to
0
051
to
0
051
to
0
051
to
0
051
to
0
051
to
0
051
ro
0
051
to
0
051
to

0
067
0
067
0
067
0
067
0
067
0
067
0
067
0
067
0
067

Bi
metal
setting
Center
of
Center
of
Center
of
Center
of
Center
of
Center
of
Center
of
Center
of
Center
of

Bi
metal
setting
index
mark
index
mark
index
mark
index
mark
index
mark
index
mark
index
mark
index
mark
index
mark

Bi
metal
resistance
3
7
ro
8
9
3
7
to
8
9
3
7
to
8
9
3
7
to
8
9
3
7
to
8
9
3
7
to
8
9
3
7
to
8
9
3
7
to
8
9
3
7
to
8
9

at
210C
700F
n
m

Fast
idle
adjustment
Fast
idle
0
73
to
0
84
1
00
to
1
14
1
00
to
1
14
0
73
to
0
84
1
00
to
1
14
0
73
to
0
84
1
00
to
1
14
0
73
to
0
84

m
earn
2nd
step
1
00
to
1
14
CO

T1
0
0287
to
0
0394
to
0
0394
to
0
0287
to
0
0394
to
0
0287
to
0
0394
to
0
0287
to
0
0394
to
S

W
Gap
between
throttle
valve
and
0
0331
0
0449
0
0449
0
0331
0
0449
0
0331
0
0449
0
0331
0
0449
Cl

carburetor
body
mm
in

Fast
idle
speed
at
2nd
earn
step
1
900
to
2
700
2
400
to
3
200
2
400
to
3
200
1
900
to
2
700
2
400
to
3
200
1
900
to
2
700
2
400
to
3
200
1
900
to
2
700
2
400
to
3
200
Cl

rpm

Vacuum
break
adjustment
1
80
to
1
98
1
80
to
1
98
1
80
to
1
98
1
80
to
1
98
1
80
to
1
98
1
98
to
2
16
1
80
to
1
98
1
80
to
1
98
1
80
to
1
98

Gap
between
choke
valve
0
0709
to
0
0709
to
0
0709
to
0
0709
to
0
0709
to
0
0780
to
0
0709
to
0
0709
to
0
0709
to

and
carburetor
body
mm
in
0
0780
0
0780
0
0780
0
0780
0
0780
0
0850
0
0780
0
0780
0
0780

Choke
unloader
adjustment

Gap
between
choke
valve
and
2
36
0
0929
2
36
0
0929
2
36
0
0929
2
36
0
0929
2
36
0
0929
2
17
0
0854
2
36
0
0929
2
36
0
0929
2
36
0
0929

carburetor
body
mmOn

Interlock
opening
of
primary
and
5
83
0
2295
5
83
0
2295
5
83
0
2295
5
83
0
2295
5
83
0
2295
5
83
0
2295
5
83
0
2295
5
83
0
2295
5
83
0
2295

secondary
throttle
valves
mm
On

Dash
pot
adjustment
1
900
to
2
100
1
900
to
2
100
1
900
to
2
100
2
300
to
2
500
1
900
to
2
100
1
900
to
2
100
1
900
to
2
100
2
300
to
2
500
1
900
to
2
100

without
loading
rpm

Throttle
opener
operating
pressure
560
20
560
20
560
20
520
20
520
20
520
20
5
0
20
520
20

0
m
sea
level
and
760
mmHg
22
05
22
05
22
05
20
47
20
47
20
47
20
47
20
47

29
9
inHg
atmospheric
pressure
0
79
0
79
0
79
0
79
0
79
0
79
0
79
0
79

mmHg
inHg

Emission
Control

System

GENERAL

DESCRIPTION

There
are
three

types
of

control

system
These
are

I
Closed

type
crankcase
emission

control

system
2

Exhaust
emISSIon
control

system

3

Evaporative
emission
control

system

Periodic

inspection
and

required
sefVIcmg
of
these

systems
should
be

carried
out

to
reduce
harmful
emis

sions

to
a
minimum

CALIFORNIA

MODEL

1
Distributor

2
Thrott1

opener
vacuum

cont
rol
valve

3
From
3

way
connector
to
air
cleaner

4
Throttle

opener
servo

diaphnigm

5

Vacuum

switching
valve

6

Thermal
vacuum

valve

7

Vacuwn
motor

8
From

vacuum
motor
to

temperature
sensor

9
Carburetor

10
From
idle

compensator
to
intake

manifold

H
To
A
R
valve

Check
vane

B

B
P
T
vallie

C

P

c
V

nIter

o

Auto

choke
heater

E

A
B
valve

f

E
G
R
control

valve
A

E
D

j

L

I
E
G
R

pa
8e

H
C
A
C

valve

I
Carbon
canister

J
Air

pump

Throttle

opener
control

valve

EC377A

Fig
EC
l
Emi
sion
Control

System
California
model

EC
2