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I thought the closed loop setting kept the mixture at a very lean, Euro 4 compliant setting.All depends on the programming but it is likely that is what the lambda input is being used to keep a lean mixture, if the ECU was more open then the better solution was to get the lambda input to be used for a more user friendly result and a richer mixture. The resistor is a sticking plaster, if the ECU software continues to be closed then the better option is a new ECU with open access so users can write their own mixture/advance maps and target what mixture they want to achieve on closed loop.
I thought the closed loop setting kept the mixture at a very lean, Euro 4 compliant setting.
All depends on the programming but it is likely that is what the lambda input is being used to keep a lean mixture, if the ECU was more open then the better solution was to get the lambda input to be used for a more user friendly result and a richer mixture. The resistor is a sticking plaster, if the ECU software continues to be closed then the better option is a new ECU with open access so users can write their own mixture/advance maps and target what mixture they want to achieve on closed loop.
