I purchased an Alfa Romeo 159 SW 1.9 JTD 120 hp in good condition. He has not had faults and has not left me dearly. It has 123,000 km and was known people.

Overall, my Alfa Romeo 159 It goes very well, the engine He pulls hard and everything works; but I’ve noticed that occasionally, especially when going on second and third ever between 2,000 and 3,000 rpm, It is given as a kind of pulls and normalizes quickly. No power losses and not for or make any other remarkable thing, but gives those jerks that worry me. It is somewhat isolated, but do not dare to embark on a trip just in case. In most cases these hitches happen when I accelerate forcefully. Can it be the injection? Something electric? ¿Turbo? ¿flowmeter? ¿EGR valve? Manuel Ferro. Merida

Response Technical Director Miguel Garcia Highway Bridge

For being able to be it could be all … or nothing! It is best to start by going clearing unknowns. And if it is low cost, best. For now, refuels premium diesel few occasions one: There is no more expensive than normal and can help clean some engine. You can also help to extra additives That has- fuel and to achieve the same purpose. There are the most varied and at prices that even the most expensive, allow testing without you make a hole in your pocket. Motul, Wynns, Xenum … are some of the brands whose ranges can find these cleaning products. Follow the instructions and try to roll for a few kilometers alive spinning motor. I understand that you have reviewed the Air filters but just in case, it would not hurt sustituyeses. If these operations do not resolvieses with the problem, things could get out a little more expensive. And the following would be the usual suspect injection. What more likely? Some injector not just cleaned and needs substitution, which is standard with mileage of your car. If the EGR valve itself is dirty or fail before the turbo power losses arise pulls you say no notice. The same would happen with flowmeter whose theme was not too clean and give bad readings.