Why is my car smoking from tailpipe?

I have an 06 ford crown victoria and the car has been sitting for about a month without a computer and of course without being started. I put the computer on and started it up and it was awful. Sounded horrible doing nothing but missing idling rough and low. Smells like gas real bad and my gas mileage is horrible and car blows a blueish kinda smoke. I don't know where to go from here. Any help appreciated!

You probably have to have a Ford shop program the computer.

It takes awhile to reset itself. Run it awhile, shut it off, start it up and run about ten miles. Should clear up.

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