Buy 2019 Audi A5 Ignition Knock (Detonation) Sensor. 4.2 LITER, 2005-06, blue, 390mm. 4.2 LITER, A4/S4 LITER, Blue, Rear, Left - OEM Audi Part # 079905377H (079-905-377-H, 079905377D, 07L905376C)

Ignition Knock (Detonation) Sensor.
390mm Harness. Color-Blue. Cylinder 7,8. Cylinder 9,10. Ignition Knock (Detonation) Sensor.

Ignition Knock (Detonation) Sensor

Fits A6, allroad, RS4, RS5, S4, S6, S8

4.2 LITER, 2005-06, blue, 390mm. 4.2 LITER, A4/S4, rear. 4.2 LITER, rear. 5.2 LITER, blue. A6; 4.2L; Blue; 390 MM. A8, S8; 5.2L; Cyl.#9-10. Allroad; 4.2L; Rear; Left. Blue. Cabriolet S4; Rear; Left. RS 5; Cylinders 7, 8. S4; Left; Rear. S6; Cyl.#9-10.
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 2019 Audi A5 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.