{"product_id":"advanex-mass-air-flow-sensor-maf-compatible-with-ford-2001-2004-oe-fit-laser-trimmed-circuitry","title":"AdvanEX Mass Air Flow Sensor (MAF) Compatible with Ford 2001-2004 — OE Fit, Laser-Trimmed Circuitry","description":"\u003cp\u003e\u003cstrong\u003eAdvanEX Mass Air Flow Sensor (MAF) is a direct-fit replacement sensor that measures incoming air so your compatible Ford vehicle’s engine control unit can manage fuel delivery and ignition timing accurately.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle shows rough idle, reduced fuel economy, or a check engine light related to airflow measurement, this AdvanEX MAF unit is built to match OE specifications and plug into a wide range of Ford models from the late 1990s through the mid-2000s. The unit uses laser-trimmed circuitry and high-temperature molded PBT housing to deliver reliable readings and long-term durability. Before installing, confirm vehicle fitment and inspect\/replace the air filter so dirt doesn’t trigger persistent fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this MAF sensor affect engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe MAF sensor delivers real-time airflow data to the engine control module so fuel injection and ignition can be adjusted for optimal combustion. A failing sensor can cause rich or lean running conditions, hesitation, and loss of power. Replacing a faulty sensor restores accurate air measurement for smoother operation and better fuel economy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise air flow measurement via laser-trimmed circuitry\u003c\/li\u003e\n  \u003cli\u003eReduced intake resistance for consistent readings\u003c\/li\u003e\n  \u003cli\u003eHelps correct fuel trim and idle stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this AdvanEX MAF fit my Ford model?\u003c\/h3\u003e\n\u003cp\u003eThis MAF is compatible with numerous Ford models and engine sizes—double-check the specific model-year and engine in your vehicle before ordering. Common fitments include Focus, Escort, Escape, Ranger, Windstar, Explorer, and E-series vans across model years listed by the manufacturer. The product lists OE interchange numbers to confirm match with your vehicle’s original part.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 2003–2004 Ford Focus and Escort 2.0L engines\u003c\/li\u003e\n  \u003cli\u003eFits 2001–2004 Escape and 2001–2003 Ranger (2.0L–3.0L ranges)\u003c\/li\u003e\n  \u003cli\u003eIncludes fitment for Windstar, Explorer, E150\/E250 vans as specified\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I do before and after installing the MAF sensor?\u003c\/h3\u003e\n\u003cp\u003ePreparing the intake system prevents repeat fault codes and ensures accurate operation from the start. Clean the air box and install a fresh air filter before fitting the new sensor; contaminants trapped in the intake will compromise readings and may keep the check engine light on. After installation, clear any stored codes and perform a short drive cycle to allow the ECU to relearn airflow parameters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace air filter and clean air box prior to installation\u003c\/li\u003e\n  \u003cli\u003eUse OE-style connectors and secure mounting for leak-free fit\u003c\/li\u003e\n  \u003cli\u003eClear diagnostic trouble codes and test drive for ECU relearn\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and reliable is the AdvanEX replacement?\u003c\/h3\u003e\n\u003cp\u003eAdvanEX designs this MAF to meet OE standards using high-grade materials and digital board manufacturing for consistent measurement. The high-temperature molded PBT housing resists heat and vibration, and the manufacturer offers a one-year after-sale service for cracking or defects. Proper installation and intake cleanliness maximize service life and measurement stability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-temp molded PBT housing for long-term durability\u003c\/li\u003e\n  \u003cli\u003eDigital board technology and laser-trimmed circuits for accuracy\u003c\/li\u003e\n  \u003cli\u003eOne-year after-sale support for product issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This AdvanEX MAF replacement is aimed at DIY mechanics, independent repair shops, and owners of compatible Ford vehicles who need an affordable, OE-spec replacement MAF. It suits anyone troubleshooting airflow-related drivability, poor fuel economy, or MAF diagnostic codes, provided they verify fitment and maintain the intake system before installation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this MAF fit my 2003 Ford Focus 2.0L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this AdvanEX MAF is listed as compatible with the 2003–2004 Ford Focus 2.0L; verify your OE part number to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will installing this MAF clear a persistent check engine light?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Only if the MAF was the cause; clean the air box and replace the air filter first, then install and clear codes for accurate results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AdvanEX","offers":[{"title":"Default Title","offer_id":48085450293406,"sku":"B0BCFM3YFD","price":37.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/advanex-maf-front-view.jpg?v=1785871186","url":"https:\/\/northtrailauto.ca\/products\/advanex-mass-air-flow-sensor-maf-compatible-with-ford-2001-2004-oe-fit-laser-trimmed-circuitry","provider":"North Trail Auto","version":"1.0","type":"link"}