Audi Q7: Rear Final Drive, Differential

 Fuel Delivery Unit/Fuel Level Sensor

Overview - Fuel Delivery Unit/Fuel Level Sensor 1 - Fuel Level Sensor Use the Vehicle Diagnostic Tester to check the Fuel Level Sensor -G- and Fuel Level Sensor 2 -G169- Fuel Level Sensor -G-, removing and installing. Refer to → Chapter "Fuel Level Sensor -G-, Removing and Inst

 Oxygen Sensor 1 After Catalytic Converter - GX7-, Checking

General Description The Oxygen Sensor 1 After Catalytic Converter -GX7- is positioned downstream of the primary catalytic converter and it supplies the Engine Control Module -J623- with a voltage signal (nonlinear) indicating a "rich" or a "lean" condition is present. If the primary catalytic co