well cheers for all the help folks i went into premier auto electrics but they couldnt test it for me so i bit the bullet and travelled down to greers and as always a1 service from jason he checked for error codes and it came up with 2 3 which is maf !! so went down to s+s £72 later i'm happy !! well kind of it now seems as though ive lost some power ?? will this be the ecu resetting itself or have i lost my tek 3 map ? or am i just imagining things now ?? lol cheers