Q: What precautions should be observed before working on the Fuel Level Sensor and Fuel Pump components for Petrol engines on 2016 Audi A3?
A: Precautions should be taken prior to working on the fuel system. There is one assembly which is the fuel lift pump and gauge sender unit which are found under the rear seat. Make sure that the car is even and disconnect the battery, and take out the seat cushion. After the removal process, check parts, and install attentively.