× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2011 Audi A8 Quattro 4.2L MIL Lamp on
Posted to European Driveability on 3/9/2015 5 Replies

can not duplicate concern lambda is .9 at 60 mph stays at 1.3-.8 under normal driving. will go to 3.5 under the most aggressive conditions. can not get o2s to stick or find an issue. will occasionally have a rough idle with mil on but has good idle most of the...

5 Replies Received (View Replies)

  Related Documents & Media  2011 Audi A8 Quattro

 
Message Closed w/Summary

car Vehicle Data

2011 Audi A8 Quattro

VIN WAUAVAFD4B
Engine4.2 L / 8 cyl / GAS
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection / direct injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

2096post catalyst fuel trim too lean bank 1
2196o2 sensor signal biased stuck rich b1s1
Message Closed w/Summary

car Vehicle Data

2011 Audi A8 Quattro

VIN WAUAVAFD4B
Engine4.2 L / 8 cyl / GAS
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection / direct injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

2096post catalyst fuel trim too lean bank 1
2196o2 sensor signal biased stuck rich b1s1