Ford Corsar Repair Manual page 319

TROUBLE DIAGNOSES
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KA24E
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Diagnostic Procedure 13
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Engine Stalls when Stepping on the Accelerator
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El
Momentarily (Cont'd)
Ignition wire
-
1
a
CHECK IGNITION SPARK.
1. Disconnect each spark plug cap.
2. Connect a known good spark plug to
each spark plug cap.
3. Place end of spark plug against a
suitable ground and crank engine.
Check ignition coil, power
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transistor unit and their
circuits. (See page ES-179)
Approx. 226 kPa (2.3
kglcm2, 33 psi)
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The moment throttle valve is
.
sEF282G
fully open:
Approx. 294 kPa (3.0
kglcm2, 43 psi)
4. Check for spark.
1. Release fuel pressure to zero.
(Refer
to
page ES-2 19)
2. Install fuel pressure gauge and
check fuel pressure.
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CHECK E.C.U. HARNESS CONNECTOR. Repair or replace.
Check the E.C.U. pin terminals for darn-
age or poor connection of E.C.U. har-
ness connector.
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CHECK E.C.U. POWER SUPPLY AND Repair or replace.
GROUND CIRCUIT.
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Refer
to
page ES- 170.
D
1
TRY A KNOWN GOOD E.C.U.
CHECK FUEL PRESSURE.
1. Perform "FUEL PRESSURE
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INSPECTION END
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Check fuel pressure reg-
ulator diaphragm.
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.
SUPPORT" mode ln order to
release fuel pressure to zero
2 Install fuel pressure gauge
and check fuel pressure
At idle: