But surely the VCDS flash could also just be telling you that the ecu has had an update flash rather than a remap? I had my leon cdtdi mapped and I was talking to the boy about it whilst he flashed it as he writes the maps himself, he told me that with diesels he barely touches boost if at all, he changes injection angle etc but could be different from this engine i dunno 🤷🏻*♂️
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