my 2003 lincoln ls v6 70,000 miles the engine light came on and the code is P0108,Manifold Absolute Pressure/Barometric Pressure Circuit High Input i do lot of my work on the car i know this is something easy to fix but i dont know what part to replace has any body had this code if so please help thank you very much i would really appreciate it. ps the car idels fine but waste tons of gas.