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Old 05-12-2010, 09:16 PM   #1
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Additional hole for AEM wideband?

Hey guys. Just ordered my tune from Tom. At his suggestion, my next plan is to get an AEM wideband A/F gauge. I see that my car has 3 O2 sensors, do I need to make an additional hole for a 4th one, or do I simply remove the stock 3rd O2 sensor and replace with the AEM one? Thanks!

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