@Andystobbs,
I have disconnected the injectors and cranked the car, the HPFP only gets to about 50K hPa.
With the injectors disconnected, I powered the HPFP solonoid directly with a 9v battery. When I crank the car the fuel pressure quickly reaches max 250K hPa.
What controls the HPFP?
Is it the DME?
Does anyone know where I can get a wiring diagram for the E90 N43 Engine?
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