P0301 Code Audi A4. Web the p0301 audi code means that the cylinder 1 is misfiring or is randomly misfiring. Enter the codes in the audizine search bar and they will pop up with.Rough Idling, Codes P0300, P0301, P0302, P0303 and P0304 from www.2carpros.comIt depends on how serious the misfire is. Web 2012 audi a4 has multiple codes, p2178. The vehicle itself may begin to run … [Read more...] about P0301 Code Audi A4


