Ford Corsar Repair Manual page 297

TROUBLE DIAGNOSES
Diagnostic Procedure 2
-
Hunting
Check exhaust gas sen-
When disconnecting exhaust gas sen-
sor.
(See page ES-182)
sor harness connector, is the hunting
1. Perform "POWER BALANCE"
2. Is there any cylinder which
does not produce a momen-
tary engine speed drop?
OR
When disconnecting each spark
plug cap one at a time, is there
any cylinder which does not pro-
duce a momentary engine speed
CHECK SPARK PLU.GS.
Repair or replace spark
Remove the spark plugs and check for
Plug(S).
CHECK FOR INTAKE AIR LEAK. Discover air leak location
When pinching blow-by hose (lowering and repair.
the blow-by air supply), does the en-
gine speed rise?
INSPECTJON END