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02 Sensor question

This is a discussion on 02 Sensor question within the General Help forums, part of the LSx Technical Help Section category; I'm installing headers on my girlfriends 99 Z28 and I screwed up the passenger side pre-cat 02 sensor when I ...

  1. #1
    Junior Member 97ss497's Avatar
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    02 Sensor question

    I'm installing headers on my girlfriends 99 Z28 and I screwed up the passenger side pre-cat 02 sensor when I was removing it. Will the downstream cat 02 sensors work? I'm also installing an off-road y-pipe so there will be no cats and I'll be using 02 sims.

    Thanks in advance

  2. #2
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
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    Yes, you can use the rear O2 sensors since they are the exact same sensors. With headers, you'll need O2 sensor wire extensions since the pre-cat sensors are located further downstream on headers than on the stock exhaust manifolds.

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    Junior Member 97ss497's Avatar
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    Thanks; that will save me some serious coin....

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    Junior Member 97ss497's Avatar
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    Can I use passenger side 02's on the drivers side? I noticed there diff part numbers on the Thunder Racing websight. Maybe just a wire length difference?

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    Senior Member SeVeReDiStOrTiOn's Avatar
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    Yea it's just the wire length

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    Life in the Fast lane sunsetorangess's Avatar
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    yepp been there done that, they are the same, both sides, pre cat and aft cat, the only difference is the wire length.
    J
    2001 SS, Its not the car its the Driver that matters....

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    Junior Member 97ss497's Avatar
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    Sweet! Thanks guys...

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