{"product_id":"delphi-es20138-oxygen-sensor","title":"Delphi ES20138 Oxygen Sensor - Rear","description":"\u003ch2\u003eDelphi Heated Oxygen Sensor for Chevrolet Corsica\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20138 oxygen sensor is designed specifically for the rear position on Chevrolet Corsica models. This heated sensor ensures accurate emissions monitoring and optimal engine performance by providing reliable oxygen level readings to the vehicle’s engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated oxygen sensor type for faster response times\u003c\/li\u003e\n\u003cli\u003e4-wire design for precise signal transmission\u003c\/li\u003e\n\u003cli\u003eSquare connector shape for secure and proper fitment\u003c\/li\u003e\n\u003cli\u003eThread size of 18 x 1.5 mm compatible with rear exhaust ports\u003c\/li\u003e\n\u003cli\u003eOverall length of 1850 mm for correct installation depth\u003c\/li\u003e\n\u003cli\u003eIncludes oxygen sensor and instruction sheet for installation guidance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Delphi ES20138 oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving emissions control efficiency on Chevrolet Corsica vehicles. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The square connector shape matches the factory wiring harness, simplifying replacement. With a thread size of 18 x 1.5 mm and an overall length of 1850 mm, this sensor fits the rear exhaust position precisely, maintaining proper exhaust flow and sensor exposure.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is compatible with Chevrolet Corsica models requiring a rear heated oxygen sensor. It addresses common 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 data\u003c\/li\u003e\n\u003cli\u003eIncreased emissions from inefficient combustion\u003c\/li\u003e\n\u003cli\u003eEngine performance problems related to sensor failure\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests caused by sensor malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Delphi ES20138 oxygen sensor, ensure the vehicle is cool to avoid burns. Use anti-seize compound on the threads to prevent seizing but avoid contaminating the sensor tip. Connect the square connector firmly to the factory harness to maintain electrical integrity. Follow the included instruction sheet for torque specifications and wiring details to ensure proper installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDelphi oxygen sensors are manufactured to meet OEM specifications for durability and accuracy. The ES20138 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to support long-term use in Chevrolet Corsica vehicles.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":43388527411381,"sku":"BBMX-ES20138","price":105.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_ES20138_Fro.jpg?v=1774712054","url":"https:\/\/www.partcatalog.com\/products\/delphi-es20138-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}