Hello, I would like to ask you about the problem I encountered with my 207 1.4HDI vehicle. When I go 100-110 km/h downhill or on a flat road, when I release the gas and press again after 4-5 seconds, it throws dense white smoke to the rear and stops, but it does not always. Sometimes, when I go downhill without pressing the gas, around 2700 rpm, it blows out long white smoke by itself. When I hold steady and give it throttle at 2700-3000 rpm, it blows out small white smoke. There is no oil or water loss in the vehicle. The injector said there is no problem with the injectors. I saw a few other people having the same problem, but I did not see anyone sharing a solution. Someone else on the forum had the same problem, but he could not find an answer. The extras in the vehicle: hybrid turbo, downpipes, stage 2 software, DPF-EGR cancellation, intercooler, km: 108,000