{"product_id":"denso-234-4156-oxygen-sensor","title":"Denso 234-4156 Oxygen Sensor - Upstream","description":"\u003ch2\u003eOverview of the Denso OE Style Oxygen Sensor 234-4156\u003c\/h2\u003e\u003cp\u003eThe Denso OE Style Oxygen Sensor 234-4156 is designed specifically for Toyota Celica and MR2 models. This heated oxygen sensor features a 12.20-inch wiring harness and a four-wire configuration to ensure precise emissions control and optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeated sensor type for faster activation and accurate readings\u003c\/li\u003e\n\u003cli\u003eSpecific fit for Toyota Celica and MR2 vehicles\u003c\/li\u003e\n\u003cli\u003e12.20-inch wiring harness length for proper installation\u003c\/li\u003e\n\u003cli\u003eFour-wire design for reliable signal transmission\u003c\/li\u003e\n\u003cli\u003ePart number 234-4156 for exact replacement compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on the Denso OE Style Product Line\u003c\/h2\u003e\u003cp\u003eThe OE Style line by Denso focuses on providing direct-fit replacement parts that meet original equipment specifications. This oxygen sensor maintains the quality and performance standards expected from factory-installed components, ensuring compatibility and durability for Toyota Celica and MR2 models.\u003c\/p\u003e\u003ch2\u003eProduct Description and Attributes\u003c\/h2\u003e\u003cp\u003eThis oxygen sensor is a heated type, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. The 12.20-inch wiring harness length allows for proper routing and connection within the vehicle’s emission system. The four-wire design supports both the sensor signal and the heater circuit, which is essential for accurate air-fuel mixture monitoring and emissions control. The sensor is a specific fit, engineered to match the exact requirements of Toyota Celica and MR2 models, ensuring seamless integration without modification.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps maintain optimal air-fuel ratio for efficient combustion\u003c\/li\u003e\n\u003cli\u003eReduces harmful emissions by providing accurate feedback to the engine control unit\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to oxygen sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring proper sensor operation\u003c\/li\u003e\n\u003cli\u003ePrevents rough idling and engine performance issues caused by faulty sensors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 234-4156 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector match the original sensor to avoid electrical issues. It is recommended to apply anti-seize compound on the sensor threads to facilitate future removal, but avoid contaminating the sensor tip. Follow the vehicle manufacturer’s torque specifications during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDenso oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The OE Style 234-4156 sensor undergoes rigorous testing to ensure durability and reliable performance in Toyota Celica and MR2 vehicles. Warranty coverage details should be confirmed with the parts distributor or vehicle manufacturer.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43976724218037,"sku":"BBNF-234-4156","price":72.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2344156_Fro.jpg?v=1775007273","url":"https:\/\/www.partcatalog.com\/products\/denso-234-4156-oxygen-sensor","provider":"PartCatalog","version":"1.0","type":"link"}