P268B
High Pressure Fuel Pump Calibration Not Learned/Programmed
P268B is an OBD-II diagnostic trouble code meaning: High Pressure Fuel Pump Calibration Not Learned/Programmed. Common causes: injection pump calibration failed after replacement, ecu programming error. Estimated repair cost: $56–222.
Symptoms
- Unstable engine operation
- Problems starting the engine
- Increased fuel consumption
- Reduced engine power
- Check Engine light comes on
Causes
- Injection pump calibration failed after replacement
- ECU programming error
- Fuel injection pump malfunction
- Problems with the wiring or connectors of the injection pump
- ECU malfunction
How to Fix
- Check the condition of the injection pump and its connection
- Check the wiring and connectors of the injection pump
- Calibrate the fuel injection pump using diagnostic equipment
- If necessary, replace the injection pump
- Update ECU software
Related codes
Error P268B by Vehicle Brand
FAQ
What does the P268B code mean?
P268B is an OBD-II diagnostic trouble code that indicates: High Pressure Fuel Pump Calibration Not Learned/Programmed
What causes a P268B error code?
The most common causes of P268B include: Injection pump calibration failed after replacement; ECU programming error; Fuel injection pump malfunction; Problems with the wiring or connectors of the injection pump.
How do I fix a P268B diagnostic trouble code?
To fix P268B: Check the condition of the injection pump and its connection. Check the wiring and connectors of the injection pump. Calibrate the fuel injection pump using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P268B?
Yes, but get it checked soon
How much does it cost to fix P268B?
The estimated repair cost for P268B is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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