P268B

High Pressure Fuel Pump Calibration Not Learned/Programmed

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–222 (est.)

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

P0087 P0088 P0191