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o2 sims

This is a discussion on o2 sims within the General Help forums, part of the LSx Technical Help Section category; would they help me stop RUNNING FUCKING RICH!...

  1. #1
    Senior Member 35thAnniZ28's Avatar
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    eating bulldog
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    o2 sims

    would they help me stop RUNNING FUCKING RICH!

  2. #2
    Senior Member 35thAnniZ28's Avatar
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    eating bulldog
    son of biscuit

    oh yeha...i have header but no rear sensors
    ..just front ones

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    You can't use 02 sims for the front sensors.

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    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    1999 Camaro Z28 A4

    I would like to hear the proper answer too... I have the rear ones...but they are dead...and I have no cat... so... it'd be cool to know if the Sims would trully help

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    1998 CAMARO Z28

    No They Dont Help You Only Turn Off The Check Engine Light For That Reason

  6. #6
    Puerto Rico LS1 Rikki_SeVeN's Avatar
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    so...it would still need proper running rear O2 sensors... to stop burnin rich?

  7. #7
    Rice Hungry GottaHaveLS1's Avatar
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    Quote Originally Posted by Rikki_SeVeN View Post
    so...it would still need proper running rear O2 sensors... to stop burnin rich?
    no, the 02 sims only tell the computer that the cats are running fine (whether they are even there or not). When u get aftermarket exhaust, there are no bungs in the y pipe for REAR 02 sensors... the sims are connected and ziptied up somewhere. You can still run rich with full exhaust, to fix it you need a tune.
    1999 Trans Am M6
    SLP Short Throw, Lid and CAI, BMR STB and SFC, UMI PHB, Pacesetter LT's and ORY, Magnaflow Catback, DMH 3" E-Cutout, LS7 Clutch, Motive 4.10, 160 T-Stat, MSD, !AIR, !EGR, 17x9.5 Chrome C6's wrapped in Hankook 275/40/17

    Tuned at Mongillo Motors in New Haven, CT

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