The problem: Affected vehicles may exhibit a rough engine idle and hesitation/stumble on acceleration. This may be due to a faulty mass airflow sensor.
Vehicles affected by this service bulletin:
2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi A4
2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi Allroad
2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Audi A5
Corrective action: Dealers will diagnose the condition, and if confirmed, replace the mass airflow sensor.
Warranty info: This service bulletin is being performed free of charge under the Audi limited new-vehicle, extended or federal emissions warranties, whichever applies.
What owners should do: Call your local dealer with your vehicle’s identification number to determine if your vehicle is involved in this service bulletin. You can call Audi at 800-822-2834 or the National Highway Traffic Safety Administration hotline at 888-327-4236. Reference TSB No. 241551.
Need to find a dealer for service? Go to Cars.com Service & Repair to find a local dealer.
Editor’s note: This is only one of dozens of service bulletins issued each month by automakers. Please check your automaker’s website to see if your vehicle has any service bulletins pending.