Nissan Qashqai 1.5 dci Bad Idle Speed, lost power at low RPM after Replace and program 4 injectors.
The car has no diagnostic errors and doesn't even have a malfunction light on.

I already changed 8 injectors thinking they were the first 4 injectors and so they changed to others.
The injectors are programmed
I already changed the fuel filter.
I have already replaced the fuel pressure valve on the high pressure pump.
I have used 3 rail pressure sensure, but the engine is still the same.

Anyone else with this problem?

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