Tip - Where Is the Fuel Pump Relay Located on a 2002 Audi A4? | eHow

The 2002 Audi A4 has a 3.0 liter V6 engine with 220 horsepower. It gets 20 miles per gallon in city driving and 29 miles per gallon on the highway. A fuel pump is not a necessary part for some cars because some engines are designed to let gravity move fuel from the tank to the engine. With nongravity designs, though, fuel has to be pumped from the...