LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

O2 sensors, post cat/down stream R&R. 98 LS400

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Old 10-21-12, 09:49 PM
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crakerjacq
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Default O2 sensors, post cat/down stream R&R. 98 LS400

can anyone share their experience on how to access the pigtail connectors that go into the uni-frame? or is it better to cut and splice the wires?
Old 10-22-12, 12:06 AM
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PureDrifter
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you have to pull the carpet up to get to the grommet and connectors.
Old 10-22-12, 08:25 AM
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Originally Posted by PureDrifter
you have to pull the carpet up to get to the grommet and connectors.
Thanks, did the trick. Danny
Old 10-22-12, 01:11 PM
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glad to hear.
Old 10-22-12, 02:02 PM
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never cut as those wires are shielded!
Old 10-29-12, 07:06 PM
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success! - Thanks you all. check engine light is off!!
Old 10-29-12, 09:59 PM
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VanCityLS4
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Anyone have feedback on NGK O2 sensors over $250 OEM ones ?
Old 10-30-12, 01:26 PM
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always go Denso, and where are you obtaining your prices? my precat O2 was about $50 from http://www.rockauto.com/ !
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