Either mechanically (gently scraping/sanding the deposits out) or chemically (using commerically-available throttle body cleaner), preferably after removing it from the engine.
Yes
A dirty throttle body will cause that.
Have the system checked for codes and diagnose form there.
There is no reset. If replaced, it is calibrated with a scan tool.
It should be the plug on the intake just before the Throttle Body.
The 2006 Dodge Charger has 24 valves.
The 2006 Dodge Charger has a V6 engine.
The 2006 Dodge Charger is a gas-powered vehicle.
The 2006 Dodge Charger has single overhead cam (SOHC).
The 2006 Dodge Charger has a 5-speed shiftable automatic.
The height of the 2006 Dodge Charger is 4 ft. 10.2 in. (58.2 in.).
The 2006 Dodge Charger has a drag coefficient of 0.33 Cd.