Ford Corsar Repair Manual page 322

TROUBLE DIAGNOSES
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Diagnostic Procedure 14
-
Engine Stalls after Decelerating (Cont'd)
FllEL PIJlP IjJILL STBF
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TnlJl::H 1 t.413 S T W T IN I D L -
ING.
12Rilt.IK C i FEld T I llES W-
TER El.4EiINE STHLL.
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CHECK FUEL PRESSURE.
1. Perform "FUEL PRESSURE
SUPPORT" mode in order to
release fuel pressure to zero.
2. Install fuel pressure gauge
and check fuel pressure.
, At idle:
~
Approx. 226 kPa (2.3
l
kglcm2, 33 psi)
l The moment throttle valve is
fully open:
Approx. 294 kPa (3.0
kglcm2, 43 psi)
OR
1. Release fuel pressure to zero.
(Refer to page ES-2 19)
2. Install fuel pressure gauge and
check fuel pressure.
U
CHECK EXHAUST GAS SENSOR. Replace exhaust gas
5
1. See "MIR FIC MNT" in
@
"DATA MONITOR" mode.
2. Maintaining engine at 2,000
Check fuel pressure reg-
ulator diaphragm.
rpm under no-load (with en-
gine warmed up sufficiently.),
check to make sure that the
monitor fluctuates between
"LEAN" and "RICH" more
than 5 times during 10 sec-
onds.
RI$H-LEAN +MC&
1 time 2 times
LEAN-RICH
.......
OR
1. Set "Exhaust gas sensor
monitor" in the self-diagnostic
Mode
IT.
(See page ES- 123)
2. Maintaining engine at 2,000
rpm under no load, check that
RED L.E.D. on the E.C.U. goes
ON and OFF more than 5
times during 10 seconds.
. .
sensor.
(Go to
a
on next page.)
CAUTION:
When servicing fuel system after performing "Fuel Pressure
Release" in "Work Support" mode, turn off ignition key with
CONSULT set in "Work Support" mode.