Vehicle Compatibility Information For Ford Escape 1.6L 2013-2016 For Ford Fiesta 1.6L 2011-2019 For Ford Fusion 1.6L 2013-2014 For Ford Transit Connect 1.6L 2014-2016 Symptoms That Indicate You Need A Throttle Body Replacement Vacuum leak Poor or high idle Replace throttle body The throttle body is the part of the engine that mixes air with the fuel to allow combustion to take place. There are a number of symptoms that are often due to a failure in this part, including repeated stalling for no reason, problems with responsiveness of the acceleration pedal and stumbling or hesitation whilst accelerating. 1. Remove the Hose from the Throttle Body .
