jaguar Workshop Repair Guides

Jaguar Workshop Service and Repair Manuals

Monitoring Procedure|Page 710 > < Monitoring Procedure
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Knock Sensor: Description and Operation
Operation

Between 700 & 6800 rpm, the ECM will retard individual cylinder ignition timing when detonation occurs. During acceleration, at critical load and
speed conditions, the ECM retards ignition timing to prevent the onset of detonation.

Monitoring Procedure|Page 710 > < Monitoring Procedure