Hybspec

P1250B

Wysoki

Fuel Pressure — Regulator (BMW DME)

OBD-II (EN): Fuel Pressure Regulator Pressure Low (BMW DME)

Code P1250B — Fuel Pressure — Regulator (BMW DME). Symptoms: power loss. Possible cause: faulty fuel pressure regulator. Professional diagnosis recommended.

Symptoms

Power loss, jerking, hard starting, check engine light

Possible causes

Faulty fuel pressure regulator, faulty HPFP (High Pressure Fuel Pump — N54/N55), leak on fuel rail

Affected systems

Silnik spalinowyUkład paliwowy

Code P1250B appears in these brands

Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.

Does code P1250B require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.