each spark plug has own coil must remove coil first to get to plug
Common causes include spark plugs, ignition coil, fuel injector, wiring, internal engine problems, and computer malfunction.
Oil change is due.
A block heater was not standard equipment on a 2001 Chrysler 300m.
Carefully remove the lens then bulb
5 to 5.5 quarts
A Chrysler 300M uses ATF+4 transmission fluid.
You should change the oil every 3 months of 3000 miles.
The thermostat on a Chrysler 300m 3.5L is located at the end of the lower radiator hose, near the oil filter.