The thermostat on a 1995 Plymouth Neon is right behind the Radiator Cap.
Basic neon tire size is P185/65/14
That information is unavailable until the 1995 Neon. I hope you didn't buy a 1984 Neon .
Check plugs and wires
5w30 or 10w30
Any name brand 10w30 or 5w30
It does not have a MAF sensor.
Inside the front of the engine, driven by the timing belt.
About 9 quarts if completely empty.