Audi A6 Quattro stalling while driving and at stop lights, takes 30-60 seconds to restart, with additional issues including brake noise and malfunctioning parking sensor on Audi A6 Quattro

Some Audi A6 Quattro owners report experiencing engine stalling issues while driving and at stop lights, often accompanied by a delay of 30-60 seconds to restart. Common causes for stalling include a bad battery, moisture in the gas, and various electrical issues. Additionally, the restart delay may be linked to the underlying stalling problems. Owners also report concerns about brake noise, which could indicate brake system issues that require inspection for safe operation. Furthermore, some owners experience malfunctioning parking sensors, potentially due to damaged rear calipers, faulty wheel speed sensors, or wiring problems. It is essential for owners to address these issues promptly by consulting a qualified mechanic or Audi service center to ensure the safety and proper functioning of their vehicle.