RoughIdling — A compromised PCV system can disrupt the engine’s air-fuel mixture, causing the engine to idle roughly or inconsistently. This can result in Whatare the most common problems with a used Audi S3 hatchback? Audi S3 2.0 TFSI Sportback S Tronic Quattro Euro 6 (s/s) 5dr. 2013. 115,000 miles. £13,495. View details. Hieveryone hope all is well i have been looking to buy a Audi A3 1.2tfsi and I was wondering if there was anything to look out for or any common problems with them. If anyone could help me that would be great. Hope to hear from you guys Aaron 2019Audi A8 L 3.0 TFSI quattro 4dr Sedan AWD (3.0L 6cyl Turbo gas/electric hybrid 8A) 24 of 25 people found this review helpful We purchased a CPO 2019 Audi A8 with 32,000 miles. Letsdocument the common issues/problems/faults that the C7 3.0T has past 60,000 miles. Not any other issue, been driving Audi cars sine 1985, thought I bought a Lexus. Lol- 2015 Q7 S line Sport+ APR Stage II DP 2012 A7Plus APR Stage II+ UC 2012 A8L 4.2 Its the same engine Audi used in the high-performance S4, S5, and SQ5. Overall, this engine is reliable and relatively issue-free when compared to other Audi powerplants. There are still a few problems that can come upon these engines, especially as they get to be higher mileage. Coolant Leaks. Coolant leaks are common on the 3.0 TFSI. . #1. It seems that like the previous B8 models, that the new B9 models are having problems with their TFSI units. Honest John reports that the B9 TFSI models are suffering from camshaft failures, with Audi unsure of how to fix, prompting a recall of TFSI models in the US. Like the previous debacle surrounding the B8 models oil SuperchargerBelt – 55K, 115K. Coolant leaks. Thermostat – B8 more common failure than B8.5, either leaks or can stick open/closed – 80-100K miles. Water Pump – B8 more common than B8.5, has drip However in 2011 both of those engines were replaced with two 3.0 TFSI supercharged engines. The base 3.0TFSI put down 268hp and 295lb-ft of torque, while the S-Line 3.0 TFSI version put down 328hp and 325lb-ft of torque. Common Audi Q7 Engine Problems. Ignition Coil Pack and Spark Plug Failure; N80 (Purge) Valve Faliure; Whatto look for when buying a Audi A3 2013 - 2020, covering common problems to check for and overall vehicle reliability. Audi A3 1.4 TFSI SE Sportback Euro 5 (s/s) 5dr. 2013. 119,642 miles hz9k.