Thanks DiscoDB, I took the car back to the dealer where I purchased the car. They suggested a bunch of your points related to the electronics. I will also check the earth. The Bosch diagnostics highlighted a raft of faults including water in fuel etc etc.
A bunch of the faults were reset to try and log the faults between the reset and now.
Since the reset a few of my work commutes have been fault free. One drive the park brake fault would pop up and down and then stopped.
Yesterday I got the spongey accelerator pedal during two separate trips which reset by putting the car into park and turning the vehicle off and on. On both occasions I could not shift back out of park until turning off the ignition.
When there are no faults the car drives 100% fine but the intermittent nature of the faults that seem to be reset by cycling the ignition cause me to think it’s electrical.
The shudder at 90 k/hr is really minor and a ‘service’ by changing oil, filter, the connector seal and maybe the seals between the valve body and gearbox hopefully will sort that out.
Time to clean some terminals, wiggle some wires and tighten some earths that may have been loosened by the corrugated roads or first decent wet weather stronger than the typical showers.
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