I have never heard of this happening. How oily is your filter? Have you done anything else? You don't supose your dealer screwed anything up.
It could be some sort of weird computer thing, but I wouldn't think a K&N would flow enough to throw the computer off that much. Weird.
By the way, your warrentee can not be voided because of a K&N, unless there was something wrong with it. Too much oil or something.
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'97 Cobra, K&N, Flowmaster, subframes, 4.10 gears, Steeda Tri-Ax shifter, Steeda G-Trac 3, Cobra R wheels w/ Goodyear F1s
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