Power failure in short marches in Xsara HDI

I have an XSara HDI of 90 hp. When you leave with the car in 1st to 3rd speed, the car costs him, as if he lacked power. He has put the machine and does not detect failures, the flow rate is changed and it remains the same, the entire exhaust tube is disassembled and the same is still changed, the diesel filter is changed and it remains the same. If anyone knows where the problem could be, I would appreciate it. thank you so much.

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"" THANK YOU SO MUCH""

Hello, I am Oscar for several years and worked in the PSA group. I can tell you because of the indications that you can be a problem of lack of turbo's feeding. That the Turbo bars check with the diagnosis machine while walking with the car. Possibly you have a fissure in a turbo tube and that is not detected by the machine, also some microtubus of the electrovalve to the broken turbo, obstructed or loose, or even that you have a lot Admission collector (also by Carbonilla).

I hope it will help you or at least orientation

, Oscar.