{"product_id":"standard-ignition-mas0173-mass-air-flow-sensor","title":"Standard Ignition MAS0173 Mass Air Flow Sensor","description":"\u003ch2\u003eReliable Mass Air Flow Sensor for Infiniti and Nissan Vehicles\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition MAS0173 Mass Air Flow Sensor is designed to provide accurate airflow measurement for Infiniti Pathfinder and Nissan QX4 models. This sensor helps maintain optimal engine performance by ensuring precise air intake readings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Infiniti Pathfinder and Nissan QX4 models\u003c\/li\u003e\n\u003cli\u003eOEM-quality replacement part number MAS0173\u003c\/li\u003e\n\u003cli\u003eMeasures the volume and density of air entering the engine\u003c\/li\u003e\n\u003cli\u003eEnsures accurate fuel injection and engine timing\u003c\/li\u003e\n\u003cli\u003eDirect fit for easy installation without modifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Overview and Functionality\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition MAS0173 Mass Air Flow Sensor plays a critical role in the emission control system by monitoring the amount of air entering the engine. This data is essential for the engine control unit (ECU) to calculate the correct fuel-to-air ratio, which impacts engine efficiency, emissions, and overall drivability. Designed specifically for Infiniti Pathfinder and Nissan QX4 vehicles, this sensor meets strict quality standards to ensure reliable operation and consistent performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis mass air flow sensor is used to address several engine performance issues related to inaccurate airflow measurement. It is commonly installed to resolve:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRough idling or engine stalling\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy and increased emissions\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by airflow sensor faults\u003c\/li\u003e\n\u003cli\u003eReduced engine power or hesitation during acceleration\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine or inconsistent throttle response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Standard Ignition MAS0173 sensor is straightforward for qualified technicians. It is a direct replacement part that fits the air intake system of Infiniti Pathfinder and Nissan QX4 models without requiring additional modifications. When installing, ensure the sensor connector is securely attached and the sensor housing is clean and free of debris. It is recommended to inspect the air filter and intake duct for any damage or blockages during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance and durability. The MAS0173 Mass Air Flow Sensor undergoes rigorous testing to ensure accuracy and longevity. This part is backed by Standard Ignition's limited warranty, which covers defects in materials and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44691057410229,"sku":"FBHK-MAS0173","price":237.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_MAS0173_Fro.jpg?v=1775081228","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-mas0173-mass-air-flow-sensor","provider":"PartCatalog","version":"1.0","type":"link"}