I didn't depressurize and had about 1-2 cups worth come out onto some newspaper.

 

The raw gas smell could be your pulsation dampner if so it needs to be fixed ASAP or you could have a crispy car.

I had a raw gas smell and it was a broken tip on the I think it was called the PCV. It's right next to the oil filler neck, it's a round plastic thingy with two hose at the bottom and a single one on the top. The top one on mine had snapped off.

But if the fuel smell is that strong I bet it's the Pulsation thing or a leaking fuel line and it needs to be fixed before driving it.

Good luck.