Hello.. An acquaintance just called me, his ABK sometimes runs well, and at the next start he runs “like a kangaroo”, stutters, hoops, jerks. At night start is then u.U. everything OK. Workshop allegedly said: “In the error memory stood the Lambda probe, but it is not, we measured it” I have not seen the car yet, should look at it tomorrow. Is there any “usual suspect” at the ABK? What is the name of the type of injection system used at the ABK to Used? Thanks for tips.. DoMi