Vehicle Compatibility Information For Infiniti For QX56 5.6L 2011-2013 For Infiniti For QX80 5.6L 2014-2019 For Nissan For Armada 5.6L 2018-2019 For Nissan For Nv2500 5.6L 2018-2019 For Nissan For Nv3500 5.6L 2018-2019 For Nissan For Titan 5.6L 2017-2019 For Nissan For Titan XD 5.6L 2016-2019 Does throttle body need to be replaced? The throttle body plays a large role in controlling the fuel and air mixture in your engine.The proper mixture needs to be achieved in order for your engine to run smoothly and properly. Once this part fails, it needs replacing rather than repairing. When you need to replace the throttle body: .
