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10-05-2013, 07:48 PM #11
Where are O2 sensors located? I have never changed mine and probably need to.Clint (TX) 2001 Silverado LS 4.8L auto 2wd ECSB [GARAGE]
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10-05-2013, 10:52 PM #12
There will be two before the cat in between the exhaust manifold and the cat and two after the cat in the pipe. They can be a pain to change. Not getting to them, but rather getting them out. You can rent a socket at a parts store that is long enough to slide over the sensor. it has a slice in it so the wire can poke thru.
1995 Silverado 4x4
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