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new 02 sensor install

This is a discussion on new 02 sensor install within the Computer & Tuning forums, part of the LSx Technical Help Section category; ready to swap out the old slow lazy 02 sensors and delete the extension harnesses and throw in some bocsh ...

  1. #1
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    1998 Trans Am ls1

    new 02 sensor install

    ready to swap out the old slow lazy 02 sensors and delete the extension harnesses and throw in some bocsh 13111's. I will clear the codes as well with a scanner. Just wondering if i need to do anything else as well while doing the swap? Unhook battery? Relearn pcm? Or throw them on and iam good to go? Any input or tips greatly appreciated. Thanks in advance.

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    King 0f n00bz shady milkman's Avatar
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    98' trans am

    it would be good to clear the fuel trims....it is easy with a tuner..but i believe just unplug the battery and plug it back in and you are set ...

    make sure and let the car get to closed loop.."idle to op temp"...then drive around for 10-30 minutes.

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    1998 Trans Am ls1

    Quote Originally Posted by shady milkman View Post
    it would be good to clear the fuel trims....it is easy with a tuner..but i believe just unplug the battery and plug it back in and you are set ...

    make sure and let the car get to closed loop.."idle to op temp"...then drive around for 10-30 minutes.
    i dont have a scanner, but you say if i disconnect the battery it will clear the fuel trims? And how do i get the car into a closed loop? Sorry, this is all new to me

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    King 0f n00bz shady milkman's Avatar
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    Quote Originally Posted by razer900 View Post
    i dont have a scanner, but you say if i disconnect the battery it will clear the fuel trims? And how do i get the car into a closed loop? Sorry, this is all new to me
    once the car gets to operating temp..180ish-190ish...sorry i cant remember off the top of my head...so basically just let the car idle for awhile and go and drive it around.

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    thanks for your reply shady. Changed them out tonight, warmed er up and took it for a drive... I cannot believe how much more responsive the car feels now, night and day difference! The gas pedal feels alot more touchier as well, crispier throttle response. Car has found some lost hp now with the new sensors!

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