Ford Corsar Repair Manual page 383

-
pq
FUEL INJECTION CONTROL SYSTEM INSPECTION
: '
Releasing Fuel Pressure
Before disconnecting fuel line, release fuel pressure from fuel
line to eliminate danger.
Perform "FUEL PRESSURE RELEASE" in "WORK @
SUPPORT" mode with CONSULT.
1. Remove fuel pump fuse.
@
2. Start engine.
3. After engine stalls, crank it two or three times to
release all fuel pressure.
4. Turn ignition switch off and reconnect fuel pump
fuse.
Fuel pump and damper
Fuel tank
SE F892D
Vacuum Fuel pressure
SEF718B
Fuel Pressure Check
When reconnecting fuel line, always use new clamps.
Make sure that clamp screw does not contact adjacent
parts.
Use a torque driver to tighten clamps.
Use Pressure Gauge to check fuel pressure.
Do not perform fuel pressure check while fuel pressure
regulator control system is operating; otherwise, fuel pres-
sure gauge might indicate incorrect readings.
Release fuel pressure to zero.
Remove air duct.
Disconnect fuel hose between fuel filter and fuel tube
(engine side).
lnstall pressure gauge between fuel filter and fuel tube.
Install air duct.
Start engine and check for fuel leakage.
Read the fuel pressure gauge indication.
At idllng:
When fuel pressure regulator valve
vacuum hose is connected
More than 226 kPa (2.3 kg/cm2, 33 psi)
When fuel pressure regulator valve
vacuum hose is disconnected
Approximately 294 kPa (3.0 kg/cm2, 43 psi)
Stop engine and disconnect vacuum hose from fuel pres-
sure regulator.
Plug vacuum hose.
10. Connect variable vacuum source to fuel pressure regulator.
11. Start engine and read fuel pressure gauge indication as
vacuum changes.
Fuel pressure should decrease as vacuum increases. If results
are unsatisfactory, replace fuel pressure regulator.