Engine Detonation Detection Device

Why Is This Part Essential

This innovative sensor is crucial for monitoring your engine’s performance. It detects vibrations caused by abnormal combustion (detonation/knocking). Without this component, engine computers can’t adjust ignition timing for optimal efficiency and protection.

How Does It Operate

The sensitive device is mounted on the engine block. When it senses knock, it sends a voltage signal to the control unit. The computer instantly retards ignition timing, protecting the engine and improving fuel consumption.

What Happens If It Fails

A faulty sensor leads to poor acceleration, irregular engine sounds, and increased fuel use. If left untreated, engine knocking can cause severe internal engine damage, resulting in costly repairs. Early replacement prevents major engine trouble.

Compatible Models:

• G35
• M35/45
• Fx35/45
• Qx4
• Q45