Browse Audi A6 For Sale (New and Used) listings on Cars.co.za, the latest Audi A6 news, reviews and car information. 2012 Audi A6 2.0 TDI Auto. R 126 900. 155 216 The 2012 Audi A6 has 84 problems & defects reported by A6 owners. The worst complaints are transmission, cooling system, and engine problems. CarComplaints.com : Car complaints, car Step 1 – Check engine oil. It could be low. Whenever you have an engine issue, it's good to check the engine oil, especially if the warning light is screaming low "oil" pressure. Use your dipstick to check the oil level. If it's too low, you could have a leak somewhere, or your car could be burning oil. A8 / S8 (D3 Platform) Discussion - 2014 A6 3.0 TDI heater problems. - Car has 30,000 miles. At-10F air temp is around 112F. Red line on tack stays @4200RPM. Temp gauge takes 15 miles to get to normal. Dealer does not have a solution. Please help, I'm freezing. .

audi a6 3.0 tdi 2012 problems