LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Merkur >> 1985 >> XR4Ti Standard >> Repair and Diagnosis >> Engine Performance >> System >> EEC IV System >> Operation >> Inputs >> Detonation (Knock) Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Detonation (Knock) Sensor

This unit senses and amplifies engine detonation (knock) and signals ECA to retard timing.