Hello together, due to some repair work on the engine (valve cover seal etc.) the injectors had to be removed. After assembly the engine did not jump on. High and low pressure circuit were ventilated. There were no error codes stored. A VW car dealership indicated that the injectors should never be stored lying down, as otherwise they would have to take damage and be replaced. With new injectors the vehicle jumped immediately. Today, a few months nac h of the last repair, the vehicle has to go back to the workshop to have some work done on the engine. This time the injectors were stored standing and yet the vehicle no longer starts after assembly. I don’t want to buy new injectors again. Does anyone have an idea what can be the cause of this? VW Crafter SY 2.0 TDI 130 kW MKB: DAVA Bj:2020