24-34
      
Checking fuel injector leakage  
     
CAUTION! 
     
Fire hazard! Do not smoke, work near heaters 
or open flame, or have anything in the area 
that could ignite fuel. 
     
-  Use scan tool "Output Diagnostic Test Mode" 
function 03 to trigger fuel pump relay -J17-   
Repair Group 01.      
-  Visually inspect fuel injector for leaks (with fuel 
pump running). 
     
   Maximum: Two drops per minute per fuel 
injector 
      If fuel loss exceeds 2 drops per minute:  
     
-  Switch ignition OFF and replace leaking fuel 
injector. 
     
Note:  
     Always replace O-rings! 
Pa
ge 2 of 5 Fuel in
jector leak testin
g and deliver
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.24.7 
24-35
      
Checking fuel injector delivery quantity  
     
CAUTION! 
     
Fire hazard! Do not smoke, work near heaters 
or open flame, or have anything in the area 
that could ignite fuel. 
    
-  Insert fuel injector to be tested into calibrated measuring container from 
1602 fuel analyzer kit. 
    
-  Connect one terminal of each fuel injector being tested to engine 
Ground (GND) using jumper wire from connector test kit VW 1594. 
-  Connect remaining fuel injector terminal to B+ using remote control 
VAG 1348/3A, adapter wire VAG 1248/3-2 and jumper wire from 
connector test kit VW 1594. 
-  Use scan tool "Output Diagnostic Test Mode" function 03 to trigger fuel 
pump relay -J17-   Repair Group 01. -  Operate remote control VAG 1348/3A for 30 seconds.
Pa
ge 3 of 5 Fuel in
jector leak testin
g and deliver
y quantit
y, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.24.7