My personal experience would be replace and properly gap spark plugs, and use a higher octane gas or these yellow bottles called "HEAT". Good luck!
fuel filter
It could, it was an option.
it could havebeen built with it or with out
could be a sticking thermostat.
Yes, it could.
Could be a sensor
Verry easy with a awd intrepid , but its not bolt on , always thing to modify and adjust ;) but it could be done :)
you havn't taken it to the mechanic yet.
the solenoid on your starter is finished, replace the starter......
It could bend valves.
Check the label on the drivers door jamb. Could be a couple of different sizes.
Ive had a 97 Dodge Intrepid and my wife had a 99 Caravan both had this problem its a bad solder joint on the back of he gauge cluster my mechanic said hes seen it more times than he could count.