Hi, I've replaced my HPFP as I had slightly low pressure. Pressure now seems ok, however the fuel volume control valve keeps fluctuating between 0-30% and is effecting my idle timing. Sometimes it sits at 12% and idles fine, but most of the time its random. Where is this valve located? Thanks in advance.
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MINI Cooper R56 Fuel Rail Pressure Sensor Replacement (2007-2011) | Pelican Parts DIY Maintenance Article