Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel Supply >> 20 Fuel Supply >> Fuel Delivery Unit/Fuel Level Sensor >> Fuel Delivery Unit/Fuel Level Sensor, Removing And Installing >> Fuel Delivery Unit/Fuel Level Sensor, Removing And Installing, TDI Vehicles >> Tightening Specifications