Vehicle Compatibility Information Land Rover Lr3 2005-2007 4.4L Land Rover Range Rover 2006-2009 4.2L 4.4L Land Rover Range Rover Sport 2006-2009 4.2L 4.4L 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: .
