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I have recently had a new HPFP. That’s kind of how that started, it became more often and then was accompanied by an intermittent misfire.
All good now it’s got a new fuel rail & HPFP. Had new coil packs & plugs in December.
1st real issue in 7 years of ownership, better than new again now
This can happen because ECU can Historically store old fault codes in its memory & they may show up for no reason (Ghost Codes) or possibly they have been triggered by a blip somewhere on the car if its a fault code its been acknowledge & stored & could return again once the fault becomes active on the dash ie The EML won't go off & you get the "Stop" warning