V8 Quattro V8-3562cc 3.6L DOHC (PT) (1990)
Oxygen Sensor: Technical Service Bulletins
Oxygen Sensor - Contamination
26 Oxygen Sensor Contamination Due to Silicone
26 08 10 2002735/3 December 9, 2008. Supersedes Technical Service Bulletin Group 26 number 93-01 dated July 31, 1993 to change the title.
Condition
Technical Background
Production Solution
Service
Please review the attached Technical Service Bulletin.