S4 Quattro Sedan V6-2.7L Turbo (APB) (2000)
Exhaust Temperature Sensor: Technical Service Bulletins
Engine Controls - MIL ON/Limited Top Speed
01 MIL on, exhaust gas temperature sensor replacement
01 09 12
2020136/2
November 6, 2009.
Supersedes Technical Service Bulletin Group 01 number 09-02 dated March 3, 2009 for reasons listed below.
Affected Vehicles
Condition
^ MIL on.
^ Vehicle's top speed may not be reached.
^ In a previous service visit, a single exhaust gas temperature sensor was replaced.
Technical Background
Change to new supplier. If an exhaust gas temperature sensor from the previous supplier is installed in the vehicle with an exhaust gas temperature sensor
from the present supplier, the sensors will register different temperature values.
Production Solution
Not applicable.
Service
When replacing an exhaust gas temperature sensor, replace both Bank 1 and Bank 2 sensors at the same time. Single sensor replacements are not
allowed.
Warranty
This TSB is informational only and not applicable to any Audi warranty.