Fuel pumps are responsible for delivering gasoline from fuel tanks to engines, and fuel pumps that are going bad will typically become noisier. Listen for a hum coming from behind the seat when a fuel pump is going bad with help from an auto mechanic in this free video on car repairs. Expert: JB Hebert Contact: www.wrxtra.com Bio: JB Hebert is a machinist, metal fabricator, and auto mechanic who has been fixing and modifying all things mechanical for over 20 years. Filmmaker: David Pakman