You should have 4 O2 sensors, one before and one after each cat. My understanding is the ones after the cats are not particularly important, it's the two before the cats that are key.
Super VXer
You should have 4 O2 sensors, one before and one after each cat. My understanding is the ones after the cats are not particularly important, it's the two before the cats that are key.
95 Trooper with a buncha stuff nobody here cares about...
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