A "tune up" is rather non-specific. Most auto parts stores will sell repair manuals with very specific details on how to do certain items, and will provide a maintenance schedule.
o2 sensors before and after the cat a tune up plugs wires air filter
dude you need a tune up
How do i tune up 1992 diesel dodge pick up
Yes
As long as they are the same size and all the plumbing and eletrical line up. A 3.3 liter into a 3.3 liter, for example.
pull on the cable slowly with increasing pressure it should open or jack up the car and poke at it with a long screwdriver or pliers
With the hood up look at the outer end of the Headlight, You will see what looks like a snap together piece. wiggle the corner light and this will help you to see the clip that has to be moved in order for the light to slide out so you can change the bulb...I myself just put new headlights in my 96 dodge intrepid.
sensor
It could be in need of a tune up.
To get to the side mirror switch on a 2002 Dodge Intrepid look on the driver side door. The mirror switch is located just above the window up and down switches.
The thermostat may be stuck open, replace it. No ac belt won't effect the heater.
wiring order tune up