Re: Do spark plugs go bad if a car was parked for a long time?
Add a bottle or two of injector cleaner and run a tank of gas through it.
I like Techron from Chevron, available about everywhere, including Walmart, Auto Barn, etc.
A lot of folks prefer SeaFoam, but I haven't tried it.
If you need a shoulder to cry on ...
... pull over to the side of the road!