Hi there I've got a audi a4 b7 2.0 tdi engine code brb . Had a ticking noise for a month are so read some were it could be the lead plugs coming out of injector rockers . Are could be a lifter are some thing . Does my engine only have a single camshaft enigne code is brb . And been told to check if its intake are exhaust camshaft which am not sure any help on this thanks
