g35 problem

Has anyone that owns a 08 G35 (Journey model) had any issues with the variable timing solenoid? I had a diagnostic done and they said that was my issue so i bought the new part and had it installed but my car still shut off on the freeway and is idling funny. Im confused after the diagnostic was...

Over the past few months my driver side window has increasingly been a problem. The window will sometimes be non-responsive refusing to go up or down regardless if I use the switch, remote, or the old key in the door trick. Often when it does go down it will only go a few inches or stutter...