xsara blue/grey smoke on startup

[sean86]

hi all. my frist post. i have a 02 xsara 1.9 d on start up smokes blue/ grey smells like fuel cant find any leaks. it only happen in the morning i dont its glow plugs cos it starts first pick. she done 70000 miles oil and filter done. any help i would be very gratefuly. thanks sean