Vehicle Compatibility Information For Mazda 3 2.0L 2004-2005 For Mazda 3 2.3L 2004-2005 For Mazda 5 2.3L 2006-2007 For Mazda 6 2.3L 2003-2005 What is a throttle body ? The throttle body is the part of the engine that mixes air with the fuel to allow combustion to take place. When a throttle body gets clogged with carbon, the vehicle may suffer from issues ranging from a lack of fuel mileage, loss in efficiency or may even become totally inoperable. When you need to replace the throttle body: .
