1) change the oil and the oil filter
2) change the air filter
3) change the cabin air filter if it has one ( probably does)\
4) Change the fuel filter
5) change the plugs
6) change the plug wires
If it has a distributer change the cap.
All of the above can be done with a few basic tools and a couple of hours.
Hints use an oil change shop if you don't have a jack and jack stands
change the plug wires one at a time , match the length and replace if you pull them all off get yourself a service manual, the firing order is oj the side of the intake manifold