{"product_id":"standard-ignition-ax291-engine-intake-manifold-temperature-sensor","title":"Standard Ignition AX291 Engine Intake Manifold Temperature Sensor","description":"\u003ch2\u003eOverview of Standard Ignition AX291 Intake Manifold Temperature Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AX291 Engine Intake Manifold Temperature Sensor is designed for precise temperature monitoring in BMW vehicles, including the 320i and 840Ci models. This sensor plays a critical role in emission control by providing accurate intake air temperature data to the engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 320i and 840Ci models\u003c\/li\u003e\n\u003cli\u003ePart number AX291 for easy identification\u003c\/li\u003e\n\u003cli\u003eBlack and gold finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e12mm x 1.50 thread size for secure installation\u003c\/li\u003e\n\u003cli\u003eTwo male blade terminals with a female rectangular connector\u003c\/li\u003e\n\u003cli\u003ePlug-in attachment method for straightforward replacement\u003c\/li\u003e\n\u003cli\u003eSingle port and connector for efficient integration\u003c\/li\u003e\n\u003cli\u003eMounting hardware and wiring harness not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AX291 sensor is engineered to measure the temperature of the intake manifold air, which is essential for optimizing engine performance and emissions. Featuring a 12mm x 1.50 thread size, this sensor installs directly into the intake manifold port. It includes two male blade terminals housed within a female rectangular plug-in connector, ensuring a reliable electrical connection. The sensor’s black and gold finish provides durability against heat and corrosion. Although mounting hardware and wiring harness are not included, the plug-in design simplifies installation and replacement.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps regulate air-fuel mixture by providing accurate intake air temperature data\u003c\/li\u003e\n\u003cli\u003ePrevents engine performance issues related to incorrect temperature readings\u003c\/li\u003e\n\u003cli\u003eSupports emission control systems to reduce harmful exhaust gases\u003c\/li\u003e\n\u003cli\u003eAddresses engine stalling or rough idling caused by faulty temperature sensors\u003c\/li\u003e\n\u003cli\u003eResolves check engine light triggers related to intake manifold temperature faults\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before removing the old sensor to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse the correct 12mm x 1.50 thread size to avoid cross-threading\u003c\/li\u003e\n\u003cli\u003eVerify the connector gender and terminal type match the vehicle’s wiring harness\u003c\/li\u003e\n\u003cli\u003eDo not force the sensor; it should plug in smoothly with the rectangular connector\u003c\/li\u003e\n\u003cli\u003eCheck for any vacuum leaks around the sensor port after installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The AX291 sensor undergoes rigorous testing to ensure reliable performance in BMW 320i and 840Ci models. While mounting hardware and wiring harness are not included, the sensor itself is backed by Standard Ignition’s quality standards. Please refer to the manufacturer’s warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44504451678389,"sku":"FBHK-AX291","price":125.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_AX291_Fro.jpg?v=1775022127","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-ax291-engine-intake-manifold-temperature-sensor","provider":"PartCatalog","version":"1.0","type":"link"}