Morning all I would like to know if anyone else has ever come across this issue.Ive got 2006 bauxhall vectra c diesel It recently went into limp mode ,but when my mechanic came out and plugged code check machine in ,some things came up ,obviously, but then he couldn't clear codes again ,tried loads of times, he's s*** hot with.vauxhalls ,but this has left him completely baffled Help please