Hi we have A polo 1.6 diesel '10' plate a check by the rac found the above fault code exhaust gas temperature sensor 3 can anybody tell me where this is situated I can see one at the base of the turbo manifold and another to the left of this on what I believe to be the dpf this one has five wires connected to a black plug the other next to it has two wires into a black plug. Are either of these sensor 3 any ideas greatly appreciated