Obd1 ?
#6
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#8
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OK Then explain to me why my 95 which was stock when we bought it almost 10 years ago has 2 O2 sensors, in it & when we did the updated exhaste on it, we had to move the 2nd o2 sensor.
#9
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OK. Let me rephrase. OBD1 has one O2 sensor on each bank (meaning each side of the engine) and OBD2 has 2 on each side. OBD1 has one in front of the cat. OBD2 has one in front and one after the cat.
#12
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Earlier OBD1 (ala TPI and the old TBI) was all running on 1 o2. Not 1 o2 per bank.