{"product_id":"standard-ignition-pc438-engine-crankshaft-position-sensor","title":"Standard Ignition PC438 Engine Crankshaft Position Sensor","description":"\u003ch2\u003eOverview of Standard Ignition PC438 Crankshaft Position Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition PC438 Engine Crankshaft Position Sensor is designed specifically for BMW M3 models. This sensor features a female rectangular plug-in connector with three male blade terminals, ensuring precise fitment and reliable engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW M3 vehicles\u003c\/li\u003e\n\u003cli\u003eFemale connector with rectangular shape for secure connection\u003c\/li\u003e\n\u003cli\u003ePlug-in connector type for straightforward installation\u003c\/li\u003e\n\u003cli\u003eThree male blade terminals for accurate signal transmission\u003c\/li\u003e\n\u003cli\u003ePart number PC438 for easy identification and ordering\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe PC438 crankshaft position sensor by Standard Ignition is engineered to monitor the rotational speed and position of the crankshaft in BMW M3 engines. Its female connector features a rectangular design that plugs directly into the vehicle’s wiring harness, providing a stable and secure electrical connection. The sensor includes three male blade terminals, which are designed to deliver precise signals to the engine control unit (ECU). This ensures accurate timing for fuel injection and ignition, which is critical for optimal engine operation.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft position sensor is compatible with BMW M3 models and is used to address several engine performance issues, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine misfires or rough idling caused by inaccurate crankshaft position data\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine due to faulty sensor signals\u003c\/li\u003e\n\u003cli\u003eCheck engine light illumination related to crankshaft sensor faults\u003c\/li\u003e\n\u003cli\u003eStalling or hesitation during acceleration\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy linked to timing errors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Standard Ignition PC438 sensor, ensure the vehicle is turned off and the battery is disconnected to prevent electrical shorts. The rectangular female plug-in connector should align precisely with the vehicle’s wiring harness. Verify that the three male blade terminals are clean and free of corrosion before connection. Proper torque specifications should be followed to avoid sensor damage or improper seating.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts, including the PC438 crankshaft position sensor, are manufactured to meet or exceed OEM specifications. This sensor undergoes rigorous testing to ensure durability and reliable performance in BMW M3 applications. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44694555787445,"sku":"FBHK-PC438","price":136.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_PC438_Fro.jpg?v=1775081576","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-pc438-engine-crankshaft-position-sensor","provider":"PartCatalog","version":"1.0","type":"link"}