Replace Buick Regal Engine Coolant Temp Sensor Location. Order Buick Regal Engine Management Temp Sensors & Buick Regal Engine Temperature Control Sensor. Maintaining the engine sensors of your Buick Regal is critical for optimal performance and longevity. Regularly clean sensor surfaces to prevent build-up that can skew readings, and be vigilant for signs of failure such as erratic behavior, check engine lights, or poor fuel economy, which signal the need for replacement. When selecting new sensors, choose OEM-quality parts that ensure compatibility and reliability. There are a variety of sensors available, including oxygen sensors, mass airflow sensors, and throttle position sensors, each with unique features tailored to your vehicle's specifications. For DIY enthusiasts, installation can be straightforward with the right tools and adherence to manufacturer guidelines, ensuring your Regal runs smoothly with precise engine monitoring. Shop with us for premium sensors that keep your Buick Regal in peak condition.