Fits Applications For Hyundai Elantra GT 2.0L 2018-2020 For Hyundai Tucson 2.0L 2016-2018 For Kia Forte 2.0L 2017-2018 For Kia Forte5 2.0L 2017-2018 For Kia Soul 2.0L 2017-2019 What is a fuel injector? A fuel injector is a device for atomizing and injecting fuel into an internal combustion engine. It's consistently under pressure. Symptoms you require fuel injector replacement Check Engine Light is illuminated; The engine runs rough or there’s a dead miss in a cylinder; There’s a raw fuel smell from the engine or the exhaust. .