Hello, I have a Mazda 626 GW/GW 2.0 turbodiesel (74 kW/101hp), mileage now 235tkm. The last 2 winters and this year the engine pushed very hard after cold nights in the morning and hardly assumed any gas, after 1-2 km drive everything was ok again. If I understood it straight, this is probably due to a defective quantity control valve in the ESP. In the course of October and early November we had however already some nights with frost (must scratch disks), after d If it’s the winter diesel: Is there also a winter diesel with Ultimate Diesel, V-Power Diesel & Co or is there a winter diesel with the same “substance” all year round?