What does code P0259 mean?
High signal detected in fuel metering control circuit B
OBD-II Code
P0259 — Injection Pump Fuel Metering Control B High Input Cam Rotor Injector
High signal detected in fuel metering control circuit B
Common symptoms
- Overly rich mixture
- excessive smoke
Possible causes
- Signal shorted to voltage
- stuck injection pump
Initial recommendation
Inspect wiring and injection pump operation.
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 P0259 with your vehicle's actual symptoms for more complete diagnostic guidance.
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