O2 sensor question
12-17-2006, 11:23 PM
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O2 sensor question how many O2's do i need to buy for a 94Z with one cat with the OBDI? do i need two or just one? and how hard are they to replace?
12-17-2006, 11:31 PM
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you need two and they are not that hard to replace. They are obd1 o2's so it dose not have after cat o2 sensors to verify the cat is doing its job. I would recommend ac delco ones because they are O.E and will be the most reliable. I am also on the market for some and the best price i can get are $50 a piece
