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Old 03-27-2008   #8
kittay
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Join Date: Dec 2007
Location: Idaho
Drives: 91 GSX, 91 TSi, 91 TSi
Posts: 257
Re: what is this thing

I believe the narrow just has the color flashing to show what range it is in.. whereas the wideband gives out a more accurate reading.

I have the NGK one and am very happy with it
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