Download Print this page

Porsche 912E 76 Service Information page 15

Advertisement

24
ELECTRONIC FUEL INJECTION - AFC
Cold Starting Valve
The
co
ld starting valve
switch
which is located
Troubleshooting:
Thermo switch:
cold start
test lamp
from contact 1
coil.
the test lamp must initially be
within not less than 11 seconds.
Cold start valve
:
start
wi
Here
are a few
tips concernig
All
ai
r lines
and
hoses
able
t
o move freely over its entire range and not
All electrical
connections
Plug and socket
color
When the vacuum line is disconnected, the fuel pressure must be about 36 psi.
Ignition timing and vaive adjustment must be correct
For
idle
and CO adjustment
Idle
is
by adjusting the
Nom
inal
val ue:
T
he
CO
valu
e
is
facto
hou
sing.
The posi
tion
ca
n not be
obtained
T he
CO-adjust
men
t
sc
Pl ug
co lor
cod
e:
is
located in
intake
adjacent to the
intake
Engine temperature under 10°C/
50°F. Remove
the plug
valve
and connect a
.
Disconnect the wire
on the
Operate the
starter
bright
and
then
visibly darker
Connect
a
pressure gauge to
ring supply line
.
Operate the starter motor in
order
to reduce
the fuel
Remove
the
plug from the
start
valve.
Connect
the
valve
by means of
res
to ground and contact
on
the
ignition coil.
Turn
ignition
switch -­
the fuel pressure
must fall.
trouble free operation
and
the
intake-ai
r
sensor
must
be
tight and free of corrosion
code: Fuel injector
Cold
start
valve
Thermo time switch
Intake-air
sensor:
:
screw
on
t
he throttl
925 ±
50 rpm
ry
adjusted by means
of
this
screw
shou
ld
inspit
e
perfect
wo rking order of
rew is
covered
by a
Bl
ack
:
Bosch
setting
Blu
e:
Production
setting
Red:
Service setti
ng
air distributor and is activated
air distributor.
from
the
ignition
motor
:
the
pressure.
cold
cold
extra
15
on the
of engines equipped
must
be
absolutely air
stick
at
any
point.
.
:
white
:
blue
:
brown
black
.
e
hou
sing
.
of
the
bye-pass adj
ustment screw in the
be
altered
only when the nom
the
engine.
plug.
(Part
No. 923.606 .991 .01)
13
by
a thermo time
with AFC injection
tight.
The
sensor flap
int
ake-air sensor
ina
l value
of 0.
5
- 1.2
.
must be
%
CO

Advertisement

loading