McLaren trace cause of Norris' Germany failure

"Lando Norris should escape further power unit penalties in the Hungarian Grand Prix after an investigation by his McLaren Formula 1 team and Renault traced the source of his retirement in Germany."


"Norris was forced to retire after suffering a loss of power from the combustion engine immediately after a pitstop. However, the subsequent investigation has determined that cause was an issue not with the power unit itself but with an ancillary, which is being modified for the Budapest race."


Full article here:
https://www.motorsport.com/f1/news/norris-engine-problem-germany-hungary/4504578/