Hmm I did not realise that. Everywhere I read told me you needed to re-initialise the ECU to perform the idle relearn. Thanks for the info

I don't think he's touched the maps at wide open throttle, he was only focusing on the cruise/idle AFRs at this stage (from what I'm aware) as it was running rich as fuck. I don't know much about it to be honest. I'll grab a screen shot next time I see him, as it's all on his laptop

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It's at the corner of get a map, and fuck off