Ford Corsar Repair Manual page 316

TROUBLE DIAGNOSES
piq
Diagnostic Procedure 12
-
Engine Stalls
when the Engine is Cold
CHECK A.A.C. VALVE.
When the engine is cold, can you start circuits.
(See page ES-196)
the engine when pressing accelerator
1. Perform "POWER BALANCE"
2. Is there any cylinder which
does not produce a momen-
tary engine speed drop?
When disconnecting each injec-
tor harness connector one at a
time, is there any cylinder which
does not produce a momentary
SEF1571
engine speed drop?
CHECK INJECTOR. Check injector(s) and
I
1. Remove crank angle sensor from
I I
circuit(s).
I
I
engine. (Harness connector should
I
I I
I
remain connected.)
1
2. Disconnect each ignition wire.
3. Turn ignition switch ON. (Do not start
engine.)
4.
When rotating crank angle sensor
1
I
shaft, does each injector make an
I
operating sound?
El
4
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.
4. Check for spark.
. .
+
(Go to
@
on next page.)
Check ignition coil, power
transistor unit and cir-
cuits.
(See page ES-179)