P1321 AUDI – Knock Sensor 3 Signal Too Low

P1321 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1321 AUDI Possible Causes

Faulty Knock Sensor 3,Knock Sensor 3 harness is open or shorted,Knock Sensor 3 circuit poor electrical connection

P1321 AUDI Description

Knock Sensor 3 Signal Too Low is the generic description for the P1321 Audi code, but the manufacturer may have a different description. Currently we have no further information abouth the P1321 Audi OBDII code.