Ron's right, Vortex is THE place on the net for VW info. But, try to have a bit more info when you ask. Like, what are you trying to do w/ the adjustment? Is the car not running right, or are you trying to tweak it? There's also a couple of books on Bosch FI that are pretty good.

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MARRS #25 ITB Rabbit GTI (sold) | MARRS #25 HProd Rabbit
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