P0257
Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)
P0257 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector). Common causes: wear of fuel injection pump components, fuel control solenoid valve malfunction. Estimated repair cost: $167–556.
Symptoms
- Unstable engine operation
- Power Loss
- Increased fuel consumption
- Problems starting the engine
Causes
- Wear of fuel injection pump components
- Fuel control solenoid valve malfunction
- Problems with wiring harness or contacts
- Engine control unit malfunction
How to Fix
- Check the condition and operation of the injection pump
- Check the solenoid valve and its circuit
- Check wiring harness and contacts
- If necessary, replace the fuel injection pump or its components
Related codes
Error P0257 by Vehicle Brand
FAQ
What does the P0257 code mean?
P0257 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)
What causes a P0257 error code?
The most common causes of P0257 include: Wear of fuel injection pump components; Fuel control solenoid valve malfunction; Problems with wiring harness or contacts; Engine control unit malfunction.
How do I fix a P0257 diagnostic trouble code?
To fix P0257: Check the condition and operation of the injection pump. Check the solenoid valve and its circuit. Check wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0257?
Limited driving only, diagnose soon
How much does it cost to fix P0257?
The estimated repair cost for P0257 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
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