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Thread: CAGS?Rear O2's? how do they get delete them?

  1. #1
    Tuner in Training
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    CAGS?Rear O2's? how do they get delete them?

    How do you delete the CAGS on a M6 '03 C5?
    And if I have High Flow 3" Randam Tech Cats (Metal Matrix); do I have to delete my rear bank O2's???

    How?

  2. #2

    Re: CAGS?Rear O2's? how do they get delete them?

    from the help files:

    The parameters control the Computer Aided Gear Selection (CAGS or “Skip Shift”) feature of the VCM. It engergises a solenoid in the transmission to force shifting to 4th gear under light throttle conditions. If disable TPS is exceeded then the solenoid will not energise.

    Disable %TPS: Throttle Position to disable C.A.G.S. routine

    Enable Speed: Speed to enable C.A.G.S. routine
    Disable Speed: Speed to disable C.A.G.S. routine

    Enable Baro: Baro to enable C.A.G.S. routine
    Disable Baro: Baro to disable C.A.G.S. routine

    Min Coolant Temp: Minimum Engine Coolant Temp required for C.A.G.S. routine
    I count sheep in hex...

  3. #3
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    Re: CAGS?Rear O2's? how do they get delete them?

    How about the High Flow Cats Bypass o2's or ???
    How?????

  4. #4
    Senior Tuner
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    Re: CAGS?Rear O2's? how do they get delete them?

    Might as well leave the rear tests be, unless the cats
    are so ineffective they trip an efficiency fault. But they
    should stay different enough from fronts that no delete
    / disable is required.

  5. #5
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    Re: CAGS?Rear O2's? how do they get delete them?

    I have the Jet Hot catted Y pipe, and it sets off my service engine light.

    So I'd be interested in how to "delete" the rear o2s.
    2002 Trans Am 6sp, Hurst shifter, short stick,
    !skip shift, SLP lid, Holley filter, Dynomax Ultraflow muffler, Jet Hot long tubes and cats, FRA, HP tuners, Hotchkis STB and LCAs. TEA stage 1.5 5.3 heads, Comp 220/224 114 +2, UMI Boxed SFCs

  6. #6
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    Re: CAGS?Rear O2's? how do they get delete them?

    engine diagnostics,DTC's, all dtc that have to do with "O2 sensor 2" SES disabled, 3 no error reported.

  7. #7
    Tuner
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    Re: CAGS?Rear O2's? how do they get delete them?

    Quote Originally Posted by 99C5R
    engine diagnostics,DTC's, all dtc that have to do with "O2 sensor 2" SES disabled, 3 no error reported.
    I did this and still got an SES light for "catalyst low efficiency."

    So you have to turn those off as well.

    Thanks for the info though!
    2002 Trans Am 6sp, Hurst shifter, short stick,
    !skip shift, SLP lid, Holley filter, Dynomax Ultraflow muffler, Jet Hot long tubes and cats, FRA, HP tuners, Hotchkis STB and LCAs. TEA stage 1.5 5.3 heads, Comp 220/224 114 +2, UMI Boxed SFCs

  8. #8
    Tuner in Training
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    Apache Junction, Az
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    Re: CAGS?Rear O2's? how do they get delete them?

    Have the same issue with JetHot. Just delete P0420 & P0430.

    Engine Diag->DTCs->
    420
    430
    set to OFF and option 3 (no error reported)
    2001 TransAm WS6 Mods? What mods?

  9. #9
    Senior Tuner
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    Re: CAGS?Rear O2's? how do they get delete them?

    I think if you have OBD-II smog nazis though, you want
    to not disable the test, but leave it enabled and no
    error. Though one day they'll probably catch wise to
    that, right now I think they just check that the test is
    there.