Quote:
Originally Posted by Delta0311
Also I'm no engineer but pulling in more air is not necessarily good, especially if your car is not mapped for it. I'm guessing this is why many AFE intake users tend to get the "engine running rich bank 2 (or 1) code.
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If you pull in more air, wouldn't that make it lean and not rich? More hot air? I have the EURO air box and I recently had 'engine running rich bank 2 code' and other codes related to VANOS and dealer replaced Int. and Ex. vanos selenoids. No more code yet. I had the vanos codes twice before the EURO box and the dealer couldn't find the problem.