can bad 02 sensors cause p2296

Question

car runs ruff when started 02 sensor1 on bank 1-2 bad

Answer 1

P2296 Fuel pressure regulator circuit high

No , this code is a open circuit either at the fuel pressure regulator or in its harness, When it comes to Audi quality fuel is important , carbon build up does cause rough start up on a cold start, you may want to add a fuel injector cleaner in the fuel system