as above?

No quick answer unfortunately, any number of things can cause the EPC light to come on.

The light coming on is just a generic way for the car to tell you 'something' isn't right, to get any specific information out it, you'd have to read the fault codes by connecting a piece of diagnostic kit or a VCDS.

Most common issues with EPC light are related to air flow and exhausts, but I'd have a read of this post first...

http://www.briskoda.net/forums/topic/132857-help-my-epc-emissions-or-cel-check-engine-lamp-is-on/

If it's not starting, you either need to get it to a garage to read the fault codes, get yourself a code reader or find somebody who'll come to you and read the fault codes.

I can't see the title due to being on my phone but possibly faulty crank sensor.