V 70 Right-hand curve

Hello, everybody, I drive a Volvo V 70 built in 2000. Within 3 weeks the following occurred: At a right turn the engine was running out. That didn’t even happen 3 times. I don’t have to stress that this suddenly also all servos fail. The engine could then be restarted. Workshop called – they got a tow truck and a rental car. Result: No error code readable. Relay (engine shut-off not yet in front of the series en, Krafstoffpumpenfilter nicht vermitt vermitt Ratlose der Werkstatt, Testfahrt gefahrt und Fehler nicht reproduziert We take over the car: After approx. 10 km of motorway exit ca. speed 40-50, 3rd gear: engine goes off! Back to the workshop: Want to get in touch with Volvo…Additional information: Idle speed approx.1000/min If you drive uncoupled to a traffic light to save the speed to 500 – 600 rpm to get back to 1000 rpm… Does anyone have an idea that over ‘there must be something readable in the memory’ or haste also enough fueled out?