oil change AUDI A6 1997 C5 / 2.G AEB Engine Ignition Coil System Checking
Page 3 of 11
28-18
      
-  By briefly disconnecting fuel injector connectors 
with engine running, check which cylinder is 
misfiring, or not firing at all. 
     
Note:  
     A misfiring cylinder can also be isolated by 
pulling the spark plug connectors (carbon-fouled 
plug). 
     
-  Check spark plug connector resistance.
     
  
Specified value: approx. 2 k      If resistance is NOT OK:  
     
-  Reconnect spark plug connector.
     
-  Interchange spark plug with one from cylinder 
that is OK. 
     
-  If other cylinder now misfires, replace faulty 
spark plug. 
     
-  If same cylinder misfires, interchange ignition 
coil with one from cylinder that is OK. 
     
- 
If other cylinder now misfires, replace faulty 
Pa
ge 3 of 11 Individual i
gnition coil s
ystem, checkin
g
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.28.2