{"product_id":"standard-ignition-as640-manifold-absolute-pressure-sensor","title":"Standard Ignition AS640 Manifold Absolute Pressure Sensor","description":"\u003ch2\u003eOverview of Standard Ignition AS640 Manifold Absolute Pressure Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AS640 Manifold Absolute Pressure Sensor is designed for precise engine management in select Mercedes-Benz models. This sensor plays a critical role in monitoring the intake manifold pressure to optimize fuel delivery and engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mercedes-Benz C43 AMG, C400, C450 AMG, CLS400, E43 AMG, E400, E450, GL450, GLC43 AMG, GLE43 AMG, GLE400, GLE450 AMG, GLE550e, GLS450, ML400, S450, S550e, SL400, SL450, and SLC43 AMG\u003c\/li\u003e\n\u003cli\u003ePart number AS640 ensures exact fit and function\u003c\/li\u003e\n\u003cli\u003eManifold Absolute Pressure Sensor designed for emission control systems\u003c\/li\u003e\n\u003cli\u003eEngineered to provide accurate pressure readings for optimal air-fuel mixture\u003c\/li\u003e\n\u003cli\u003eDurable construction suitable for demanding automotive environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition AS640 is a Manifold Absolute Pressure (MAP) Sensor specifically engineered for a range of Mercedes-Benz vehicles, including AMG and non-AMG variants such as the C43 AMG, E43 AMG, and GLS450. This sensor measures the absolute pressure inside the intake manifold, providing essential data to the engine control unit (ECU). Accurate pressure readings allow the ECU to adjust fuel injection and ignition timing, which is vital for maintaining engine efficiency and reducing emissions.\u003c\/p\u003e\u003cp\u003eBy using the AS640 sensor, vehicles like the Mercedes-Benz GLE450 AMG and SL450 maintain proper air-fuel ratios, contributing to smoother engine operation and compliance with emission standards. The sensor’s compatibility with multiple models ensures that it meets the specific requirements of each engine configuration.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHelps resolve rough idling and engine stalling caused by incorrect manifold pressure readings\u003c\/li\u003e\n\u003cli\u003eAddresses poor fuel economy due to inaccurate air-fuel mixture data\u003c\/li\u003e\n\u003cli\u003eReduces engine hesitation and power loss during acceleration\u003c\/li\u003e\n\u003cli\u003ePrevents check engine light triggers related to MAP sensor faults\u003c\/li\u003e\n\u003cli\u003eSupports emission control by providing reliable sensor data to the ECU\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 down before installation\u003c\/li\u003e\n\u003cli\u003eLocate the existing MAP sensor on the intake manifold for the specific Mercedes-Benz model\u003c\/li\u003e\n\u003cli\u003eDisconnect the electrical connector carefully to avoid damage\u003c\/li\u003e\n\u003cli\u003eRemove the old sensor and install the Standard Ignition AS640 in the correct orientation\u003c\/li\u003e\n\u003cli\u003eReconnect the electrical connector and verify secure fitment\u003c\/li\u003e\n\u003cli\u003eClear any diagnostic trouble codes after installation to reset the ECU\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts, including the AS640 Manifold Absolute Pressure Sensor, are manufactured to meet or exceed OEM specifications. Each sensor undergoes rigorous testing to ensure reliability and performance under various operating conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44503364960437,"sku":"FBHK-AS640","price":47.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_AS640_Fro.jpg?v=1775022039","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-as640-manifold-absolute-pressure-sensor","provider":"PartCatalog","version":"1.0","type":"link"}