On the AGP the TMAP sensor is top left on the inlet manifold.  Dead easy to change, 2 minutes, engine cover off, one electrical connector and one screw.

Not looked under the bonnet of an Evo but if you can identify the inlet manifold then it should be mounted somewhere on the top.  Will have same one electrical connector and one screw (as long as nothing else is in the way). Sure someone with an Evo will confirm or if you can post an underbonnet pic i'll try and point it out to you 

limpinging  haha top word 

Right, I presume you are going into limp mode?  Does this fault clear?  If so I doubt there is anything wrong with your sensors, all they do is send information to the ecu. 

If you are momentarily exceeding the safe boost limit then the ecu will instigate limp mode.

If you have caused permanent damage to the MAP or TMAP (or if it has simply failed) then you tend to get a variety of fault lights that won't clear.  Running problems vary depending on what information the faulty sensor is sending to the ecu.

The standard MAP sensor is rated up to 2.5 bar so a standard AGP + TMC is well within its design limits.  They do have a limited life though as they live in a pretty hostile enviroment! 

Hope this helps 

Never mind I don't think this will work if it's not got the SS map.