Calling all MES geeks - Alfa Romeo Forum
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Calling all MES geeks

i was playing with MultiecuScan today and noticed that some of the parameters had changed since I last used it. Specifically the self adaptive TRA parmeter that used to be 10 and is now 22. The self adaptive FRA parameter is the same at 0.8. Now I know these refer to the fuel trims and how the ECU corrects the fuel injection system to give the right fuel/air ratio. My question is does anyone know what these readings should be or has used MES recently and knows what their readings were.
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