I had the dreaded problem for the past couple of years until recently. 1st Replaced MAF, thought it made a difference for a while but hadn't 2nd Took car to local garage changed N75 sensor, no difference 3rd Took car back to garage few more times, checked hoses all reported OK 4th Gave up for a while 5th Went to new garage as turbo cut out was getting more frequent, checked hoses all OK, changed N75 sensor made slight difference (back to original level of occurrence) 6th Was advised the only option was replace turbo, so bought a recon from essex turbos as garage could not compete on price. Had it shipped to garage & fitted. During fitting they noticed that the oil supply pipe to the turbo was blocked so replaced it. Problem now fixed ;) after time & spending loads . I suspect it was the blocked oil pipe all along which at