Hello, everyone,
I share with you this defect on the van in question. The vehicle only makes long journeys, 200 km or even 400 km, and once it is switched off it will not start. It starts again if you leave it switched off for about 12 hours. No errors in the memory.
The defect was caused by an overheating of the terminal box on the pump basket.
We replaced the original pump basket and wiring harness, which comes with a terminal box and about 20 cm of wires.
I am of the opinion that sharing this solution with you can only be of help to those who will face a similar case, in the hope that others can also share with all of us colleagues, resolutions that are sometimes even trivial, but which can take you a long time to get there in search of the fault.

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