Unbelievable, I'm in complete shock. I've fixed it, because the whole bloody thing is caused by a short on the Throttle body connector plug. No DTC, throttle works, it adapts with VIDA, it clicks when activated, but it closes when you put your foot down. Result, air starvation and a vacuum string eno7gh to suck the engine oil past the rings. Yes, had Volvo put the bloody MAP sensor where they were supposed to, this would have been picked up immediately. I am trully stunned and still haven't stopped swearing.
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