Does anyone have an idea why my car won't start? on 2000 Volkswagen GTI

Will not start has fuel pressure. Has spark. Will run as long as ether is sprayed into air breather.

Asked by for the 2000 Volkswagen GTI
Sounds like you may have a vacuum leak. What is your fuel pressure reading with the engine cranking?
When the engine is cranking the fuel pressure is 42 psi.