P1250 E46, Jan 11, 2013 · what code is p1250? Jump to Latest 11K views 8 replies 5 participants last post by willsbma Jan 13, 2013 J Aug 18, 2006 · Hi, I recently diagnosed my car with a short in the Fuel Pressure Regulator Control unit due to a OBD code of: "P1250- PRC Solenoid Circuit Malfunction". This is also causing a cylinder #2 misfire which makes sense if the engine is getting the wrong gas pressure during acceleration. Severity is High - diagnose this code as soon as possible. Common causes include Faulty fuel pressure regulator control solenoid valve, Wiring issues in the solenoid valve circuit, Corrosion or poor connection in the circuit. Sep 28, 2023 · 3/2 control valve on my 99 e46 What is the 3/2 control valve? Anyone know how does the DME knows a bad fuel regulator if it doesn't measure fuel pressure? Don't banging your head, but do measure the fuel pressure. Dec 23, 2025 · The P1250 code indicates a malfunction in the fuel pressure regulator control solenoid valve circuit, affecting engine performance and fuel efficiency. The engine of the Maicoletta used an unusual starter that rocked the crankshaft back and forth before firing instead of rotating it. Common causes include a faulty solenoid valve, wiring issues, corrosion, PCM failure, and fuel system contamination. Could P1250 BMW Code - Fuel Pressure Low Quick Answer The P1250 code in a BMW indicates that the fuel pressure in the fuel system is too low. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety Oct 14, 2013 · Codes prior to change P1250 P P1189 P1188 P0170 P0173 Misfires P300 - 306 ( 6 codes ) 11 codes total After Regulator and filter 4 codes 1189 1188 0173 0170 - Speedo doesnt work so perhaps by replacing my ABS speed sensor (driver side) - which controls the speedo and economizer (mpg) it will do something. dv, kui7kb, c4ib5k, mlg, lndkp, tn, mjbbkz, iyh, r08d, q9ofl3,