misfiring and smell gas when driving

[e6600]

could it be an injector? changed wires/plugs
misfire cylinder 4

[whiney]

Could also be a coil pack.

[Bedwards]

could it be an injector? changed wires/plugs
misfire cylinder 4

Check to make sure your injectors and fuel rails are fully seated. Also double check to make sure the O-rings on the injectors are in good shape, and aren't slipping off.

[TheOtherNick]

I would say coil.