Hi my 2003 Passat is giving problems, yesterday it drove fine until I switched it off about then about 20 mins later it would not start ( it cranks) i put more diesel in it as it was almost empty and… 

When I attempt to drive/take off in 1st gear I am hearing a Strange knocking noise,. Once I have picked up speed and changed to 2nd the noise is gone... No problem in selecting gears, just this noise.… 

Runs rough and epc light on

Overheating. Gage reches 90 but gets no greater.

I have a Samsung 3 phone and whilst paying MP3 using google music, and navigating using Google maps, when I finish a phone call occasionally the music goes tinny sound for a few seconds and then nothi…