In my Cossie the MAP sensor is in next to the ecu not its original place, the previous owner moved it there as he put a loom in it. Anyway I noticed that on the sensor itself one of the holes for the mounting bolts has a metal ring on it and was wondering if this is an earth point?? Obviously mine is not bolted anywhere as it is in behind there, therefore not earthed?? I will move it back one day.

Reason Im asking is because since I got the car it has never liked revving high and just misses as if its blowing out spark or not fuelling right.

Any input would be good, cheers folks.