The engine B1269 Code comes when the car is diagnosed. By the meaning of the code, it can be identified the problem easily. The code B1269 has dictionary meaning where B for Body Code Problem is antilock brake system, electronic suspension and steering systems. 1 for MFG – Manufacturer Specific. 2 for Accelerator Pedal Position (APP) Sensor 1 Performance. 6 for Control Module Throttle Actuator Position Performance and 9 for Kick-Down Switch Failed Short. Read the manual of the car for solving the problem properly. Perhaps the main consequence of injector failure is owing to the injectors having extreme return flow or back leak.