Buy 2021 Audi A5 Ignition Knock (Detonation) Sensor. 1.8 LITER, front. A4; 1.8L; Green. Cabriolet A4; 1 Front, Repair, Engine - OEM Audi Part # 07D905377 (07D-905-377)

Ignition Knock (Detonation) Sensor.
750mm Harness. Ignition Knock (Detonation) Sensor.

Ignition Knock (Detonation) Sensor

Fits A4

1.8 LITER, front. A4; 1.8L; Green. Cabriolet A4; 1.8L; Front.
Knock Sensor - Repair or Replace
A failed Knock Sensor will often have no noticeable symptoms beyond a check engine light or engine ping or knock, but it does cause your 2021 Audi A5 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.