GMC engine knock sensor replacement instructions | Sanjay Sahu

"Knock Sensors Explained: How They Protect Your Engine & Boost Performance" This deep dive reveals how knock sensors act as your engine's "ears" - listening for dangerous detonation and optimizing performance. Learn installation secrets, testing procedures, and why this $50 part can save your engine from catastrophic damage! Key Insights: 1. Critical Safety Role: Detects engine knock (detonation) and signals the ECU to adjust ignition timing, preventing engine damage while maximizing torque outp