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Just read a post on the S4 forum about how Hoppen used a VAG to........

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Old 05-04-2003, 05:11 PM
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Default Just read a post on the S4 forum about how Hoppen used a VAG to........

fine tune the lambda values in the ECU. How do I do this?
Old 05-06-2003, 09:09 AM
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Default Probably some adaptation channels,

However, they are undocumented by VW/Audi. That means either Hoppen has some secret info, or they figured it out by trial and error.

The TDI people figured theirs out by trial and error, but killed at least one and possibly several engines in the process.

-Uwe-
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