Browse Hyundai Elantra Engine Temperature Control Sensor & Hyundai Elantra Engine Sensor Locations. Discover Hyundai Elantra Engine Management Temp Sensors. Maintaining your Hyundai Elantra's engine sensors is crucial for optimal vehicle performance. Regularly inspecting and cleaning these sensors can prevent malfunctions and extend their lifespan. If you notice poor fuel economy, erratic engine behavior, or a check engine light, it may be time to consider a replacement. When selecting new sensors, ensure compatibility with your Elantra model and opt for high-quality materials to guarantee longevity. Proper installation is key, so either follow a detailed guide or seek a professional to ensure your engine sensors function accurately, enhancing your driving experience and keeping your Elantra in peak condition.