Greetings from another world!

I am so glad I came across this board...maybe I will be able to get some unbiased advice! My car is an 95 Olds 88, and it is my first car. I've had it a year or so, and have already taken it on a very long road trip last summer. It ran great, but not so well since I got back. I love this car, and hope to keep it running. With the help of advice from you more experienced folks, maybe I can! Nice to meet you all.