fuel pressure AUDI A6 2000 C5 / 2.G ATW Engine Oxygen Sensor Control Workshop Manual
Page 8 of 37
24-78
Display group 032 Display field: 1 / 2
Possible cause
Corrective action
Oxygen sensor adaptation
value in range: -10.0 to -25.0
%
Leak in intake area (pressure side between
turbocharger and intake manifold) - Check intake system for leaks and
repair false air Page 24
-68
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
-60
Evaporative Emission (EVAP) canister
purge regulator valve remains stuck in open
position - Check Evaporative Emission (EVAP)
canister purge regulator valve Page
24
-107
Fuel pressure too high- Check fuel pressure regulator Page
24
-33
Fuel injector does not close- Check fuel injectors Page 24
-38
.
Oxygen sensor heating faultyOxygen sensor faulty- Check oxygen sensor heating Page
24
-99
Pa
ge 8 of 37 Ox
yg
en sensor control, checkin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.2
Page 9 of 37
24-79
Display group 032 Display field: 1 / 2
Possible cause
Corrective action
Oxygen sensor adaptation
value in range:10.0 to 25.0 %
False air in intake area- Check intake system for leaks and repair
false air Page 24
-68
Fuel pressure too low- Check fuel pressure regulator Page 24
-
33
Mass Air Flow (MAF) sensor faulty- Mass Air Flow (MAF) sensor, checking
Page 24
-60
Oxygen sensor heating faultyOxygen sensor faulty- Check oxygen sensor heating Page 24
-
99
Fuel injector does not open or opens
only partially - Check fuel injectors Page 24
-38
.
Evaporative Emission (EVAP)
Canister Purge Regulator Valve sticks - Check Evaporative Emission (EVAP)
canister purge regulator valve Page 24
-
107
Pa
ge 9 of 37 Ox
yg
en sensor control, checkin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.2