This can be solved for zero dollars: You don't need to code the computer for the injectors.

The difference will not be noted by the computer, and the change in performance from having them coded or not is like a marathon runner who can tell what brand of shoe he is wearing while blindfolded... Only that .00001 percentage of the population could recognize a performance difference.

You will see far more performance improvement from going from out-of-spec injectors to ones that are fresh and performing properly

You will probably never see the difference in performance.
But it can make the difference between passing a smog test or not......
It takes 5 minutes too change injector codes, you got to be a fool not to do it !!!!!!

There is a valid explanation as to why injector coding in the ECM should be performed.
Will it run without doing this, yes it will, but it will not be at its optimum performance or efficiency.

Read on:
Coding an injector is a vital part of the testing and repairing of injectors, and provides an essential connection between the physical injector firing events and the digital Electronic Control Unit (ECU) of the vehicle’s engine controlling the injectors firing events.
Coding identifies the numerous operating tolerances of that particular injector and generates a string of digits containing this information which can be understood by the vehicle’s ECU. The ECU will then deliver fuel to that cylinder via the injector with better precision and timing to improve overall running and efficiency.
It is imperative that coding is done with accuracy because fuel delivery and injector timing will be tailored exactly according to the properties of the injector that the ECU will think exists for that cylinder based on the code it has been provided.
Using general, broad codes or incorrect codes could inform the ECU of the wrong set of properties for that injector such as incorrect nozzle opening time, nozzle opening pressure, flow rate, and injector timing.
The resulting engine performance will suffer including higher fuel consumption, imbalanced running, and poor high NOx emissions. It is certainly advisable to perform coding after testing injectors to ensure that all its measurements are within tolerances and that the resulting codes will provide the ECU with this very important information.
Coding is the logical step for shops to perform as part of injector testing, fuel system repairs, or injector replacement that they carry out while striving to improve their shops overall repair quality and success rates.