well i really need help on this issue this my first ls400 shes at 310 Kilometers i know-High K's- and ill tell you what i love the car i just now got use to mines , i switched to fully sytenic it runs find i read the the topic on the oil change, my Q here is about this check engine light i took her to a Lexus dealer and they wanted big money just to look at it -so i thought i might ask you guys if u ever known about this, my ls400 is running lean i check the back exhaust and only the right side one is wet like water i dunno if this haves some do to with it running lean am just now getting ready to put some parts together i don't know where to start