oil AUDI A3 1999 8L / 1.G ATW Engine Oxygen Sensor Control Workshop Manual

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

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