{"product_id":"standard-ignition-ac592-idle-air-control-valve","title":"Standard Ignition AC592 Idle Air Control Valve","description":"\u003ch2\u003eIdle Control for Land Rover V8 Applications\u003c\/h2\u003e\u003cp\u003eStandard Ignition AC592 is an idle air control valve for Land Rover throttle-body fuel injection systems. It is built with an oval connector shape, a single port, and a 4-terminal electrical connection for direct replacement service on supported Range Rover, Discovery, and Defender 90 applications.\u003c\/p\u003e\u003cp\u003eThis Standard Ignition AC592 idle air control valve fits 1996-2002 Land Rover Range Rover, 1996-1998 Land Rover Discovery, and 1997 Land Rover Defender 90. It mounts on the throttle body on the 2002 Range Rover application and includes a gasket for installation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIdle air control valve for fuel injection system service\u003c\/li\u003e\n\u003cli\u003eOval connector shape with 4 terminals\u003c\/li\u003e\n\u003cli\u003eSingle-port design\u003c\/li\u003e\n\u003cli\u003eGaskets included\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for supported Land Rover applications\u003c\/li\u003e\n\u003cli\u003eStandard Ignition AC592 part number for catalog matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eStandard Ignition AC592 is an idle air control valve used to regulate bypass air at the throttle body so the engine can maintain a stable idle under changing load conditions. The oval connector, 4-terminal layout, and 1-port configuration match the listed Land Rover applications, making it a practical replacement for idle control service on Range Rover, Discovery, and Defender 90 models. This part cross-references Remy 25021 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Symptoms Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eUnstable or fluctuating idle speed\u003c\/li\u003e\n\u003cli\u003eStalling when coming to a stop\u003c\/li\u003e\n\u003cli\u003eHigh idle after startup\u003c\/li\u003e\n\u003cli\u003eIdle speed changes when accessories are switched on\u003c\/li\u003e\n\u003cli\u003eThrottle body idle control faults on Land Rover Range Rover and Discovery models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal count, and throttle body mounting location before installation. Clean the throttle body and mating surfaces before fitting the new valve and gasket. Confirm the electrical connector seats fully and check for vacuum leaks or carbon buildup that can affect idle quality. Fits 2002 Land Rover Range Rover, N\/A; Fits 1996-2002 Land Rover Range Rover, N\/A; Fits 1996-2001 Land Rover Range Rover, N\/A; Fits 1996-1998 Land Rover Discovery, N\/A; Fits 1997 Land Rover Defender 90, N\/A.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eStandard Ignition is a recognized aftermarket brand for engine management and fuel delivery components. AC592 is cataloged as an idle air control valve with application-specific fitment data for Land Rover Range Rover, Discovery, and Defender 90 models.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44498582569141,"sku":"FBHK-AC592","price":66.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_AC592_Fro.jpg?v=1775021261","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-ac592-idle-air-control-valve","provider":"PartCatalog","version":"1.0","type":"link"}