not sure it has ..car has had recent service and apart from the cold start side of things car was running spot on...problem really only happened the other day ... car started lumpy but normally after a few mins car would idle fine..but this day it did not until i actually drove it then after about twenty mins or so it would not tick over ..did manage to restart and get home ..but once turned off would not restart ..not for a hour or so once completely cold ..but once turned off after running will not start