{"product_id":"delphi-ignition-knock-sensor-as10017-oe-calibrated-detonation-sensor-shielded-2-wire-piezoelectric","title":"Delphi ignition knock sensor AS10017 — OE-calibrated detonation sensor, shielded 2-wire, piezoelectric","description":"\u003cp\u003e\u003cstrong\u003eThe Delphi AS10017 is an OE-calibrated ignition knock (detonation) sensor that senses combustion knock and delivers clean, reliable signals to your engine control module for optimized ignition timing and engine protection.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Delphi knock sensor is built on a century of OE engineering and testing to match factory-level performance and durability. It uses a piezoelectric sensing element that generates its own signal, a ground-isolated two-wire shielded harness to resist electromagnetic interference, and a wide frequency calibration so a single design can reliably detect knock across multiple engine applications and fuel types.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the AS10017 detect and report engine knock?\u003c\/h3\u003e\n\u003cp\u003eThe sensor converts vibration from pre-ignition or detonation into an electrical signal the engine control module interprets to adjust ignition timing. Its piezoelectric element produces a self-generated output, while the shielded two-wire harness and ground-isolated construction help preserve signal integrity under noisy conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePiezoelectric core provides self-powered knock signal generation.\u003c\/li\u003e\n  \u003cli\u003eGround-isolated design minimizes electrical noise and false readings.\u003c\/li\u003e\n  \u003cli\u003eShielded two-wire connector ensures consistent signal transmission.\u003c\/li\u003e\n  \u003cli\u003eCalibrated across a broad frequency range for accurate detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this sensor work across different engines and fuels?\u003c\/h3\u003e\n\u003cp\u003eDelphi engineered the AS10017 with a flat frequency response so the same sensor design performs reliably on multiple gasoline engine applications. It’s calibrated to detect knock events beyond the primary operating range, which helps maintain consistent engine management when fuel composition or operating conditions vary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-style calibration supports varied engine platforms.\u003c\/li\u003e\n  \u003cli\u003eWideband frequency response captures different knock characteristics.\u003c\/li\u003e\n  \u003cli\u003eSuitable for engines subject to varying loads and fuel qualities.\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet or exceed OE performance requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and compatibility details should I know?\u003c\/h3\u003e\n\u003cp\u003eInstallation typically involves mounting the sensor to the engine block where it can best sense combustion-induced vibration and connecting the shielded two-wire harness to the vehicle harness. Delphi provides OE-level diagnostics and training resources, but confirm fitment for your specific year, make, and model before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounts directly to the engine block for optimal vibration sensing.\u003c\/li\u003e\n  \u003cli\u003e2-wire shielded connector matches OE harness styles on many applications.\u003c\/li\u003e\n  \u003cli\u003eNo external power required; sensor is self-generating.\u003c\/li\u003e\n  \u003cli\u003eAlways verify part compatibility with vehicle application data.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the AS10017 help with emissions and engine management?\u003c\/h3\u003e\n\u003cp\u003eBy delivering precise knock information to the control module, the sensor helps the ECU adjust ignition timing to promote efficient combustion and protect components from damaging detonation. While not an emissions device itself, its accurate feedback supports engine control strategies that can maintain proper emissions performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnables ignition timing adjustments to reduce knock risk.\u003c\/li\u003e\n  \u003cli\u003eSupports combustion stability across driving conditions.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain engine operation that aligns with emissions control systems.\u003c\/li\u003e\n  \u003cli\u003eContributes to consistent performance with varying fuels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers, mechanics, and DIY enthusiasts looking for a durable, OE-quality knock sensor replacement that restores factory-style knock detection and signal integrity. If you need a robust, calibrated sensor for accurate knock sensing across multiple engine conditions—backed by Delphi’s OE engineering—this part is designed for those seeking dependable performance and straightforward fitment. Note: products purchased through Amazon may be subject to seller-specific warranties; review warranty details with the seller at purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the AS10017 need an external power source?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The AS10017 uses a piezoelectric element that generates its own signal and requires no external power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can one sensor design cover multiple engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its flat frequency response and OE calibration let the same design be used across many gasoline engine applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":67586533589177,"sku":"B000CGHTC4","price":116.76,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/delphi-as10017-front-view.jpg?v=1790486142","url":"https:\/\/redleafauto.ca\/products\/delphi-ignition-knock-sensor-as10017-oe-calibrated-detonation-sensor-shielded-2-wire-piezoelectric","provider":"Redleaf Auto","version":"1.0","type":"link"}