When fluid pressure drops in the master cylinder this sensor will tell the computer triggering a check engine light. This is should be a cause for serious concern, a high possibility of losing your brakes while driving could happen. Make sure to have the cars braking system inspected by a certified mechanic before taking it back out on the road.
This Part Fits the Following Vehicles
|Audi||B6 A4||FWD||V6 30v|
|Audi||B6 A4||Quattro||V6 30v|