high resistance coolant temperature sensor, is it overheating,air in coolant pipe at sensor, or bad sensor,
P0118 is an OBD II (on board diagnostic) generic code. It's explained as : P0118 - Engine Coolant Temperature Circuit, High Input.
Check here; http://www.obd-codes.com/p0118 It gives a very good explanation of how the system works, what symptoms you might encounter and how to fix it.
Trouble code P0200 means:Injector circuit malfunction
Trouble code P0172 means:System too rich (Bank 1)
Problem with the signal from the Crank Sensor.
Trouble code P0455 means: EVAP System Gross Leak (0.080") Detected
Trouble code P0342 means:Camshaft position circuit low input
Code 12 is just confirming that the computer is working. This code alone should always show when you test it.
Trouble code P0719 means: Brake Switch B Input Circuit Low
P1441 indicates a problem in the EVAP control system.
it means an emission trouble code is set in your engine computer,see your dealer asap.
Ghostly means of a ghost, which can mean various things, such as the spirit or soul. Cavalier means escort. So, ghostly cavalier might mean spirit or soul escort. Depending on your beliefs, ghostly cavalier means the entity that accompanies and/or represents you in the spirit world.