Engine doesn't start

[blondin4o]

Hello , i just found your forum i got audi a6 2007 avant 2.7 engine and i got the problem with engine start i make video



any idea how to fix it some time's start without problem's but some times i must try 5 min to start.

 

[B5NUT]

My guess would be the ignition barrel (common fault on the A6 C6) however I would have the cars scanned for fault codes.