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Do the mkiv's use a hotwire maf meter? If so, I don't think you'll really be able to find that information unless someone had logged it on their own,and that would not be accurate either. If it uses a hotwire MAF, it bases the voltage output of the sensor on the amount of current needed to maintain a constant temp to the hot wire, don't know exactly how to explain it, but basicly has a wire kept at a certain temp, the more air that passes it,the more it cools and thus the more current it needs to maintain the required temp, the sensors output signal is determined by the current flow required to do that, not by the auctual volume of air passing through. Assuming you're talking about a turbo model. I don't have a mkiv, but I'm fairly certain they use a hotwire maf, if not sorry.
 
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