Y61 ZD30 fuel vacuum?

[velzing]

Dear all over the world, greetings from Namibia.

I drove back after a nice long weekend and on the highway my ZD30 engine just stopped driving around 100km/h on a very slight hill.
Some helpful people put in an extra in-line fuel pump and I drove on home (about 3 hours).
Now 3 mechanics and the Nissan dealer can`t find the problem. Nissan advises me to change the injection pump (too expensive). The others say it is a fuel vacuum.
It is a 2014 car with only 55,000 km driven.

What should I do now? Can anyone advise me? Should I just keep on driving with the extra fuel pump? Or will that cause more harm to the engine on the long term?

Best,

Erik

[velzing]

Update: Nissan wants to change to fuel injection pump.
2 mechanics have tested the pump and they say the pump if fine.
No electricity is coming to the pump.
Where should I keep looking now to find the problem?

[mudski]

Check all fuses under the dash and also the fuse box in the engine bay on the RHS next to the fuel filter.

[velzing]

Thanks for the advice. All fuses are OK. Changed workshop for the 4th time now.
I am really getting desperate with this. How can a 50,000 km engine just stop in the middle of the road and no mechanic seems to know what the problem is.
Now they say it's the injectors (all 4 of them).
Can anyone give some other suggestion to look at?

[mudski]

If it just stops randomly. I would not think its the injectors. The Injector pump on these run a printed circuit board on the pump. Its not uncommon for the PCB to fail. Maybe this is the cause? And its randomly happening when the motor gets hot, the connection on the pcb fails? Who knows.