The sound in the 307 engine ??

friends for a month more 307 1.6 hdi 110ps in my car, for example, when driving in 5th gear when I pull my feet out of the gas, there is a whispering noise. it goes away when it gives gas is this normal thing

Have the turbo checked

It can come from the exhaust as well, from the turbo.

It can come from the exhaust as well, from the turbo.