As a(nother) test I blanked off the engine mounts, took it out, waited for the engine to warm, then booted it. 'Engine Service Required' again - so unrelated to mounts (and solenoid).
After a few miles when safe to stop, I turned off and re-started - and no further issues no matter how hard I tried!
I suspect I have sticking VNT in the turbo until it's really hot, then once hot it's OK for a while.
I have tried the '4th gear' trick over the last few weeks, but no improvement.
I assume the next step is to remove the turbo and clean up the VNT mechanism ?
Or has anyone had good results with turbo cleaner fuel additive ?
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