where is the upstream 02 sensor on my 00 Acura TL
09-13-2017, 03:01 PM
#2
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I've never looked at a 2000 TL, however, I'm like 90% sure there is one upstream O2 sensor in each exhaust header/manifold.
09-14-2017, 06:21 AM
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Upstream as in upstream of the first catalytic converter, the downstream O2 sensor is downstream of the cat.
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