Hi
I just had the problem of lacking pulling off power i have a IS 220d 2008 60,000 miles rang lexus of hull took it in diagnosed the problem of the EGR valve gave me a courtsey car cleaned the valve valeted my car and brought it back to me same day and never charged me a penny,i have used lexus of hull a few times now mostly for services and their customer service is second to none they absolutely brillant :D