Had to change the control chain 3 weeks ago at Discovery Sport 2.0l, TD4 150 HP, year 2016 at 90 tsd km (2600 Euro)! Now the engine was roaring up, full speed short smoke from engine room. Workshop says, runs only on 3 cylinders, cause still unknown, has nothing to do with the recent control chains repair. Cheapest (!) case head seal 2000 Euro, otherwise about 5000-10000 Euro desperation…