i rei ently replaced my ignition coils and starter. I had the front end jacked on 2000 Saab 9-5

Up. After completing I turned the car over it idles as it should. However it has barely any acceleration power (it crawls) and I now smell gas. Please help

Asked by for the 2000 Saab 9-5
start with a fuel pump pressure.

the cat converter may be bad as well not allowing the motor to breathe.