24-87
 Evaluation display group 032  Display field: 
1 / 3 or 2 / 4  
Possible cause  
Corrective action  
Oxygen sensor 
adaptation value in 
range: 
-10.0 to .-25.0 %   
Oil thinning- Oil change or perform swift country road 
test 
  
 High oil consumption  
  
 Mass Air Flow (MAF) sensor faulty- Mass Air Flow (MAF) sensor, checking 
 
 Page 24
-56
 
  
 
Evaporative Emission (EVAP) canister purge 
regulator valve remains stuck in open position - Check Evaporative Emission (EVAP) 
Canister Purge Regulator Valve   Page 24
-
128
 
  
 
Fuel pressure too high- Check fuel pressure regulator   Page 24
-
30
 
  
 
Fuel return line is kinked or clogged.- Check fuel return line.
  
 Fuel injector does not close- Check fuel injectors   Page 24
-36Pa
ge 13 of 63 Ox
yg
en sensor control, checkin
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11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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pair&id=AUDI.B5.FU05.24.3