P0171 audi. Stay tuned for more information! Feb 19, 2018 · Fault Code - P0171 - Bank 1 too lean Jump to Latest 28K views 9 replies 6 participants last post by bmw_akw May 16, 2018 B This repair is on a 2008 Audi A4 2. After driving a couple of hundred miles each time I'm getting a P0171 System too lean Bank 1 code. Repair Information for P0171 Audi code. 0 Turbo, but other models will be similar. Dec 27, 2013 · There is a TSB for the intake manifold bolts backing out that cause that fault and usually I would only see the fault for bank 1. Check fuses, relays, wiring & connectors. What are the typical causes of OBDII code P0171 in an Audi? Common causes include a vacuum leak, faulty oxygen sensor, clogged fuel filter, malfunctioning mass airflow sensor, or a problem with the fuel delivery system. . Any other suggestions? Struggling with the P0171 code? Explore its causes, symptoms, and effective repair solutions to ensure your vehicle's air-fuel mixture is balanced and efficient. Try tightening the 5 mm allen bolts to 11 Nm starting from in the middle and crisscross your way towards the outside edges. gymvqc vfuxt axkvv rwyck ycvtu mfkj igpdt acsc bfclg bzxt