My lexus 2007 went into limp mode 3 weeks ago had the dpf taken off and cleaned via the actual dpf cleaning machine. 2 weeks later went into limp mode again diagnostic states dpf again took it back to the garage dpf not blocked garage completed a regen after code P2002 flagged up and all good for 2 day car now gone back into someone please help. Oh the garage also cleaned the egr too