What does code P0258 mean?
Low signal detected in fuel metering control circuit B indicating insufficient fuel metering
OBD-II Code
P0258 — Injection Pump Fuel Metering Control B Low Input Cam Rotor Injector
Low signal detected in fuel metering control circuit B indicating insufficient fuel metering
Common symptoms
- Low power
- black smoke
Possible causes
- Signal wire shorted to ground
- damaged metering coil
Initial recommendation
Check continuity, measure pressure and replace affected component.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0258 with your vehicle's actual symptoms for more complete diagnostic guidance.
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