{"product_id":"delphi-ps20121-manifold-absolute-pressure-sensor","title":"Delphi PS20121 Manifold Absolute Pressure Sensor","description":"\u003ch2\u003eDelphi PS20121 Manifold Absolute Pressure Sensor\u003c\/h2\u003e\u003cp\u003eThe Delphi PS20121 is a standard replacement manifold absolute pressure sensor built for accurate pressure readings and reliable engine management data. It is a direct-fit sensor for select Buick, Chevrolet, and GMC applications, including popular Silverado 2500 HD, Silverado 3500 HD, Equinox, Malibu, Terrain, and Encore models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManifold Absolute Pressure Sensor for engine load and air pressure monitoring\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for OE-style service work\u003c\/li\u003e\n\u003cli\u003eBlack plastic housing with a black oval connector\u003c\/li\u003e\n\u003cli\u003e1 connector, 4 male terminals, pin terminal type\u003c\/li\u003e\n\u003cli\u003eMaximum pressure reading: 56\u003c\/li\u003e\n\u003cli\u003eTested and calibrated to OE standards for accurate readings\u003c\/li\u003e\n\u003cli\u003ePackage contents: manifold absolute pressure sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eDelphi PS20121 is engineered for vehicles that rely on precise manifold pressure input for fuel delivery, ignition timing, and drivability control. Delphi validates its sensors using OE development and product testing methods, helping ensure consistent signal output and dependable performance. This part cross-references Standard Ignition AX461 for the same application. Common search terms for this sensor include Delphi PS20121 MAP sensor, Buick Encore MAP sensor, and Chevrolet Silverado 2500 HD manifold absolute pressure sensor.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2021-2022 Buick Encore, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2019 Buick Encore, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2016-2019 Buick Cascada, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2022 Chevrolet Equinox, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2022 Chevrolet Malibu, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2022 Chevrolet Silverado 2500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2022 Chevrolet Silverado 3500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2021-2022 Chevrolet Trax, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2019 Chevrolet Cruze, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2022 GMC Sierra 2500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2022 GMC Sierra 3500 HD, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2022 GMC Terrain, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues This Sensor Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eErratic engine idle caused by inaccurate manifold pressure readings\u003c\/li\u003e\n\u003cli\u003eCheck engine light related to MAP sensor performance\u003c\/li\u003e\n\u003cli\u003eHesitation or poor throttle response under load\u003c\/li\u003e\n\u003cli\u003eRough acceleration from incorrect air\/fuel calculations\u003c\/li\u003e\n\u003cli\u003eDriveability concerns tied to faulty pressure signal input\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal count, and housing style before installation. Confirm the sensor location on the intake manifold or intake tract matches the original part, and inspect the connector for corrosion or damaged pins before plugging in the new Delphi PS20121. After installation, clear diagnostic trouble codes and confirm normal sensor readings with a scan tool.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi backs its sensor portfolio with OE development and validation methods, and each sensor is tested and calibrated to OE standards to support accurate readings and reduce comebacks.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52433647534261,"sku":"BBMX-PS20121","price":37.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_PS20121_FRO.jpg?v=1777858359","url":"https:\/\/www.partcatalog.com\/products\/delphi-ps20121-manifold-absolute-pressure-sensor","provider":"PartCatalog","version":"1.0","type":"link"}