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Home >> Peugeot >> 1983 >> 504 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EGR System - Diesel >> Operation >> Speed Sensor

Speed Sensor

The speed sensor mounts on the flywheel housing and monitors the rotation of 2 slots in the flywheel. It provides a signal to the ECB which permits EGR to only occur above 1300 RPM.