Ford Corsar Repair Manual page 353

CHECK CONTROL FUNCTION.
1) Stop engine and reconnect
vacuum hose to fuel pressure
regulator.
2) Restart engine.
3) Check voltage between E.C.U.
terminal @and ground.
Voltage: Approximately O V
4) In 3 minutes, recheck voltage
between E.C.U. terminal
@
and ground.
Voltage: Battery voltage
. .
TROUBLE DIAGNOSES
Diagnostic Procedure 34
P.R.V.R. (Not self-diagnostic item)
c 4
Fuel pressure
gauge
INSPECTION START
lNSpECTlON END
1) Install fuel pressure gauge in
fuel feed hose.
1) Check vacuum hose for clog-
ging, cracks and proper con-
nections.
After
a
few
minutes
SEF9671
(See page ES-2 19)
2) Start engine and warm it up
until engine temperature
exceeds 90'C or see NOTE at
procedure end.
3) Stop engine.
4) After a few seconds, restart
engine and check fuel
pressure.
Fuel pressure:
Approximately
294
kPa
,
(3.0 kg/cm2, 43 psi)
5) Make sure that fuel pressure
decreases after a few minutes
(approximately
3).
Fuel pressure:
Approximately 226 kPa
(2.3
kg/cm2,
33
psi)
.
.
m
- B
1
-17
lol
MCTOR
11
a
FUEL PRESSURE REGULATOR. (Fuel pressure regulator).
106
1) Stop engine. Refer to "Fuel Pressure Check".
2) Disconnect vacuum hose con-
(See page ES-2 19)
nected to fuel pressure regu-
lator.
3) Restart engine.
4) Make sure that vacuum ex-
ists.
m m