the fridge is smelling and smoking on vents out side?

I doubt you'll get any type of reply for a self service job.
TURN OFF THE FRIDGE OR SWITCH TO ELEC and book it in and get it properly serviced by a registered gas engineer who can also deal with LPG appliances. Also do what I've done and buy a carbon monoxide alarm it's far cheaper than a life.

bob
May 2010