Hi,
I have 04 G35 coupe with 88K miles. I have been regular in oil changes. However lately I have started to hear a weird rattling sound from engine at certain RPMS. The sound is hearable when driving oclose to a divider or a one way street where there is echo.it happens around 2000-3000 rpms.

Has someone encountered the same issue

thanks

 

I think its your valvetrain, or thats what the dealership told me last time. I am currently having the same problem again. Don't know what its caused from or how to prevent it. Taking my car in tomorrow to have it looked at. Check your oil level