{"product_id":"standard-ignition-as78-manifold-absolute-pressure-sensor","title":"Standard Ignition AS78 Manifold Absolute Pressure Sensor","description":"\u003ch2\u003eOverview of Standard Ignition AS78 Manifold Absolute Pressure Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AS78 Manifold Absolute Pressure (MAP) Sensor is designed specifically for Toyota RAV4 models, providing accurate manifold pressure readings essential for optimal engine performance. This sensor features a durable black finish and a reliable rectangular female connector for secure plug-in installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThree male blade terminals for precise electrical connections\u003c\/li\u003e\n\u003cli\u003eOne female rectangular plug-in connector for easy wiring\u003c\/li\u003e\n\u003cli\u003eIncludes mounting bracket(s) for secure placement\u003c\/li\u003e\n\u003cli\u003eSingle vacuum port for accurate pressure measurement\u003c\/li\u003e\n\u003cli\u003eCompatible with Toyota RAV4 models requiring part number AS78\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AS78 MAP Sensor is engineered to monitor the absolute pressure inside the intake manifold of Toyota RAV4 vehicles. It features three male blade terminals that connect to a single female rectangular plug-in connector, ensuring a stable and reliable electrical interface. The sensor’s black color and compact design allow it to integrate seamlessly within the engine bay. A mounting bracket is included to facilitate proper installation and secure fitment, although hardware and O-rings are not included. The sensor’s single vacuum port accurately detects manifold pressure changes, which is critical for the engine control unit (ECU) to adjust fuel delivery and ignition timing.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps resolve engine stalling or rough idling caused by incorrect manifold pressure readings\u003c\/li\u003e\n\u003cli\u003eAddresses poor fuel economy linked to faulty MAP sensor data\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to emission control sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves throttle response by providing accurate pressure input to the ECU\u003c\/li\u003e\n\u003cli\u003eSupports emission control compliance by monitoring intake manifold conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the mounting bracket is securely fastened to avoid sensor movement\u003c\/li\u003e\n\u003cli\u003eVerify the connector is fully seated to prevent electrical connection issues\u003c\/li\u003e\n\u003cli\u003eCheck vacuum port for any blockages or leaks during installation\u003c\/li\u003e\n\u003cli\u003eDo not reuse old O-rings; replace if necessary to maintain vacuum integrity\u003c\/li\u003e\n\u003cli\u003eConsult the Toyota RAV4 service manual for specific torque specifications and sensor location\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition manufactures the AS78 MAP Sensor to meet or exceed OEM specifications for fit, form, and function on Toyota RAV4 vehicles. While hardware and wiring harnesses are not included, the sensor is tested for durability and accuracy before shipment. Please refer to Standard Ignition’s warranty policy for coverage details.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44503301521589,"sku":"FBHK-AS78","price":329.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_AS78_Fro.jpg?v=1775021968","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-as78-manifold-absolute-pressure-sensor","provider":"PartCatalog","version":"1.0","type":"link"}