Ford Corsar Repair Manual page 327

TROUBLE DIAGNOSES
p i i q
Diagnostic Procedure 16
-
Engine Stalls
when the Electrical Load is Heavy
Check battery and alternator condition.
PERFORM POWER BALANCE TEST.
1. Perform "POWER BALANCE"
2. Is there any cylinder w h ~ c h
does not produce a momen-
tary engine speed drop?
- .
- -
-
- - E
I
. .
OR
When disconnecting each injec-
tor harness connector one at a
time, is there any cylinder which
does not produce a momentary
engine speed drop?
SEF1571
El
CHECK INJECTOR.
1. Remove crank angle sensor from circuit(s).
engine. (Harness connector should
remain connected.)
2. Disconnect each ignition wire.
3. Turn ignition switch ON. (Do not start
engine.)
4. When rotating crank angle sensor
shaft, does each injector make an
operating sound?
Yes
El
CHECK IGNITION SPARK.
1. Disconnect each spark plug cap. transistor unit and cir-
2. Connect a known good spark plug to
cuits. (See page ES-179)
each spark plug cap.
3. Place end of spark plug against
a
suitable ground and crank engine.
4. Check for spark.
0 . K
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SEFZBZG
(GO to
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on next page.)