{"product_id":"standard-ignition-pc391-engine-camshaft-position-sensor","title":"Standard Ignition PC391 Engine Camshaft Position Sensor","description":"\u003ch2\u003eReliable Engine Camshaft Position Sensor for Lexus LS400 and SC400\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition PC391 Engine Camshaft Position Sensor is designed to provide accurate timing signals for your Lexus LS400 or SC400. This sensor helps maintain optimal engine performance by monitoring camshaft position and ensuring precise fuel injection and ignition timing.\u003c\/p\u003e\u003ch2\u003eKey Features of the Standard Ignition PC391 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Lexus LS400 and SC400 models\u003c\/li\u003e\n\u003cli\u003eEngine Camshaft Position Sensor type for accurate timing data\u003c\/li\u003e\n\u003cli\u003eDirect replacement part number PC391 for easy identification\u003c\/li\u003e\n\u003cli\u003eDurable construction to withstand engine environment\u003c\/li\u003e\n\u003cli\u003eEnsures proper engine synchronization and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the PC391 Camshaft Position Sensor\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition PC391 is engineered to meet the specifications required by Lexus LS400 and SC400 vehicles. This engine camshaft position sensor monitors the rotational position of the camshaft, sending critical data to the engine control unit (ECU). Accurate camshaft position information allows the ECU to control ignition timing and fuel injection precisely, which is essential for efficient engine operation and emissions control. The PC391 sensor is manufactured to provide consistent performance and durability under typical engine conditions.\u003c\/p\u003e\u003ch2\u003eCommon Issues Resolved by the PC391 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine misfires or rough idling due to incorrect camshaft timing signals\u003c\/li\u003e\n\u003cli\u003eDifficulty starting the engine or stalling during operation\u003c\/li\u003e\n\u003cli\u003eCheck engine light triggered by camshaft position sensor faults\u003c\/li\u003e\n\u003cli\u003ePoor fuel economy caused by improper ignition timing\u003c\/li\u003e\n\u003cli\u003eReduced engine power and acceleration responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips for the PC391 Sensor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is turned off and cooled before installation\u003c\/li\u003e\n\u003cli\u003eLocate the camshaft position sensor on the engine as specified in the Lexus LS400 or SC400 service manual\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent electrical shorts during replacement\u003c\/li\u003e\n\u003cli\u003eRemove the old sensor carefully to avoid damaging the mounting area\u003c\/li\u003e\n\u003cli\u003eInstall the Standard Ignition PC391 sensor securely and reconnect all electrical connectors\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 Information\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts, including the PC391 Engine Camshaft Position Sensor, are manufactured to meet or exceed OEM standards. This sensor undergoes rigorous quality control to ensure reliable operation in Lexus LS400 and SC400 vehicles. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product durability and performance.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44694507847861,"sku":"FBHK-PC391","price":73.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_PC391_Fro.jpg?v=1775081564","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-pc391-engine-camshaft-position-sensor","provider":"PartCatalog","version":"1.0","type":"link"}