Possible causes

– Damaged Engine Gas Recirculation (EGR) sensor
– Damaged Engine Gas Recirculation (EGR) valve.
– Engine Gas Recirculation (EGR) sensor harness is open or shorted
– Engine Gas Recirculation (EGR) sensor poor electrical connection
– Damaged powertrain control module (PCM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1402 FORD Description

Diagnostic trouble code (DTC) P1402 indicates a malfunction in the Engine Gas Recirculation (EGR) valve position (EVP) sensor circuit.