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Home >> Mazda >> 1993 >> RX-7 Standard >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Ignition System >> Ignition Timing Control System >> Detonation (Knock) Retard Operation

Detonation (Knock) Retard Operation

Knock sensor detects detonation in engine and sends signal to PCM. PCM retards ignition timing based on frequency of knocking.

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