[PCC]

If you're getting a smell of fuel and the plugs are saturated (with fuel) then it sounds like a fuel / Air delivery problem.

This may sound crazy, but push the car into the sun and lift the bonnet for 15 to 20 minutes.

If the car then fires its your air flow meter letting to much air in resulting in greater fuel delivery.

When going before did you experience any backfiring or flames (cooool)? If so then definitely a fuel issue.