HI COLIN/STEPHEN,THANKS FOR FEEDBACK,FORGOT TO SAY THAT I HAD DONE THE USUAL,HAD A BETTER LOOK, FOUND ELECTRICLLY OPERATED THROTTLE FLAP TO BE A BIT STICKY,SO CLEANED AND FREED THAT,CLEANED OUT PIPEWORK FROM TURBO,THAT WAS A BIT OILY, (NOT INTERCOOLED) ALSO MADE A BLANK PLATE FOR EGR VALVE, SEEMS A LOT BETTER,GAVE IT BACK TO CUSTOMER TO TRY,WHEN I DROVE IT, IT WAS CLEAN ON HARD ACCELATION, SO WE WILL SEE. !! THANKS AGAIN.