{"product_id":"standard-ignition-mas0239-mass-air-flow-sensor","title":"Standard Ignition MAS0239 Mass Air Flow Sensor","description":"\u003ch2\u003eReliable Mass Air Flow Sensor for Audi A4, A6, and S4 Models\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition MAS0239 Mass Air Flow Sensor is designed to provide accurate airflow measurement for Audi vehicles, including the A4, A4 Quattro, A6, A6 Quattro, and S4 models. This sensor helps maintain optimal engine performance and emission control by delivering precise data to the engine control unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Audi A4, A4 Quattro, A6, A6 Quattro, and S4\u003c\/li\u003e\n\u003cli\u003ePart number MAS0239 ensures exact fit and function\u003c\/li\u003e\n\u003cli\u003eMeasures incoming air volume for accurate fuel injection\u003c\/li\u003e\n\u003cli\u003eSupports emission control system efficiency\u003c\/li\u003e\n\u003cli\u003eDirect replacement sensor for emission control systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Functionality\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition MAS0239 Mass Air Flow Sensor is a critical component in the emission control system of select Audi models. By accurately measuring the amount of air entering the engine, it allows the engine control unit to adjust fuel delivery for optimal combustion. This sensor is engineered to meet OEM specifications, ensuring reliable performance and compatibility with the Audi A4, A4 Quattro, A6, A6 Quattro, and S4. Using the correct part number MAS0239 guarantees proper fitment and function, helping maintain engine efficiency and reduce emissions.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the MAS0239 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine hesitation or stalling during acceleration\u003c\/li\u003e\n\u003cli\u003eReduced fuel efficiency and increased emissions\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by airflow sensor faults\u003c\/li\u003e\n\u003cli\u003eRough idling or inconsistent engine performance\u003c\/li\u003e\n\u003cli\u003eFailed emissions tests due to inaccurate air measurement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is off and cooled before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent electrical shorts\u003c\/li\u003e\n\u003cli\u003eRemove the old sensor carefully to avoid damage to the intake system\u003c\/li\u003e\n\u003cli\u003eInstall the Standard Ignition MAS0239 sensor securely and reconnect all electrical connectors\u003c\/li\u003e\n\u003cli\u003eClear any diagnostic trouble codes after installation for proper system reset\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Audi A4, A4 Quattro, A6, A6 Quattro, and S4. The MAS0239 Mass Air Flow Sensor undergoes rigorous testing to ensure durability and accuracy. This part typically includes a limited warranty covering defects in materials and workmanship, offering added confidence in your purchase.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44691062325429,"sku":"FBHK-MAS0239","price":169.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_MAS0239_Fro.jpg?v=1775081235","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-mas0239-mass-air-flow-sensor","provider":"PartCatalog","version":"1.0","type":"link"}