I have just bought my first Lexus - a 2007 IS220d 113,000 miles with full service history mostly by Lexus dealer.
I have noticed that with the engine running at normal temperature and in neutral that their is what can best described as a light rattling sound, once the clutch is depressed the sound stops. Is this the dreaded dual mass flywheel on it's way out or is it something else?
The other issues are what appears to be a flat spot between 1100 and 1500 rpm, I can feel the turbo kick in at about 1900 to 2000 rpm and then the car flies! Also if I use 6th gear at anything less than 80 mph or less than 2000rpm then the engine labours - is this normal?
