My 2005 300 has code p0108 - Cars & Trucks

Check out this website: http://engine-codes.com/p0108_chrysler.html
'P0108 - Manifold Absolute Pressure/Barometric Pressure Circuit High Input (possible Map Sensor)
Possible Causes:
Faulty Manifold Absolute Pressure sensor
- Manifold Absolute Pressure harness is open or shorted
- Manifold Absolute Pressure sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
Possible Symptoms:
Engine Light ON (or Service Engine Soon Warning Light)
- Engine rough idle
- Engine hesitation"