A 2006 Chrysler Town and Country does not have a mass airflow sensor.
The thermostat on a 2006 Chrysler Town and Country is under the housing where the upper radiator hose attaches to the engine.
It is on the top rear of the transmission bell housing.
Tire pressure sensor in mounted inside the tire at the valve stem. The valve stem is part of the sensor.
Should be at the front of the vehicle, usually before the rad, some vehicles the sensor is mounted on the front bumper reinforcement.
P0406 - EGR Position Sensor High
Passenger side of the bell housing, Just behind the engine.
In the tank, part of the pump assembly.
It is on the top of the rear valve cover.
The 2006 Chrysler Town-AND-Country has a V6 engine.
The 2006 Chrysler Town-AND-Country has 12 valves.
It is the three wire sensor on the driver side end of the cylinder head.
The EGR position sensor is on the top of the EGR valve. The valve is on the front, passenger side of the engine.