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Home >> Mercury >> 1993 >> Tracer LTS, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - EEC-IV >> Computerized Engine Controls >> Input Devices >> EGR Valve Position (EVP) Sensor

EGR Valve Position (EVP) Sensor

EVP sensor detects EGR valve position. This information is transmitted to the PCM. The sensor is mounted on the EGR valve. The EVP signal affects EGR flow and ignition timing.