{"product_id":"delphi-es20066-oxygen-sensor-rear","title":"Delphi ES20066 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi ES20066 Heated Oxygen Sensor Overview\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20066 is a heated oxygen sensor designed specifically for the rear position on Mazda Miata models. This sensor helps maintain optimal engine performance and emissions control by accurately monitoring exhaust oxygen levels.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster warm-up and improved accuracy\u003c\/li\u003e\n\u003cli\u003eFour-wire design ensuring reliable electrical connections\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with OEM specifications\u003c\/li\u003e\n\u003cli\u003eOverall length of 530.0 mm for proper installation\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20066 oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape matches the factory harness on Mazda Miata vehicles, simplifying installation. With a thread size of 18 x 1.5 mm and an overall length of 530.0 mm, this sensor fits precisely in the rear exhaust position, maintaining proper exhaust flow and sensor function.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with Mazda Miata models requiring a rear heated oxygen sensor. It is commonly used to address issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCheck engine light triggered by faulty oxygen sensor readings\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy due to incorrect air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eIncreased emissions failing regulatory standards\u003c\/li\u003e\n\u003cli\u003eRough engine idle or hesitation during acceleration\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests related to sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20066 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct tools to avoid damaging the sensor threads. Verify the square connector securely mates with the vehicle harness to prevent electrical issues. Follow the included instruction sheet for proper torque specifications and sensor orientation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM standards for durability and performance. The ES20066 part number undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52089085296821,"sku":"BBMX-ES20066","price":173.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20066_Ang.jpg?v=1775148294","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20066-oxygen-sensor-rear","provider":"PartCatalog","version":"1.0","type":"link"}