audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Evaluating display group 032 > < Checking lambda probe learned values and lambda control
Evaluating display group 032
   
Evaluating display group 032
Display zone 1 / 2Possible causes of faultFault remedy
Lambda learned values
(mul.) below -10.0 %
t  Leakage in intake area
–  Check intake system for leaks and rectify unmetered air → Chapter
Lambda learned values
(add.) below -33.0 %
t  Oil dilution
–  Carry out oil change or drive vehicle fairly fast on out-of-town roads
 
t  High oil consumption
 
 
t  Air mass meter defective
–  Check air mass meter → Chapter
 
t  Solenoid valve for activated charcoal filter stuck open
–  Check solenoid valve for activated charcoal filter → Chapter
 
t  Fuel pressure too high
–  Check fuel pressure regulator → Chapter
 
t  Injector leaking
–  Check injectors → Chapter
 
t  Lambda probe heating defective
t  Lambda probe dirty
–  Check lambda probe heating → Chapter

   

Evaluating display group 032 > < Checking lambda probe learned values and lambda control