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Help with code

This is a discussion on Help with code within the Computer & Tuning forums, part of the LSx Technical Help Section category; Okay i just put in some LT headers with the mid pipes on my 04 gto, anyway the engine light ...

  1. #1
    Member ledesma54's Avatar
    Join Date
    Dec 2007

    04 GTO

    Help with code

    Okay i just put in some LT headers with the mid pipes on my 04 gto, anyway the engine light came on and its saying that bank2 o2 sensor no activity, now is it because i have no cats now i just have mufflers. I have a Cold air intake, a 85mm mass air flow, the predator tune, and 1 chamber flow-masters. What sensors do i turn off in the predator.
    Thanks in advance

  2. #2
    Senior Member
    Join Date
    Jul 2005
    Jacksonville, FL
    No cats will throw post-cat 02 codes, if that's what it is turn off the rear 02 codes for both banks. If it's a pre-cat (sensor 1) code check to be sure it's plugged in correctly. You need the front sensors, Predator won't let you delete those.

  3. #3
    Junior Member
    Join Date
    Apr 2006

    2001 Z28
    2002 SS

    Take it to a shop and have them delete the codes for the rear 02's. If its a front sensor, you have a problem somewhere. The only problem you could have with fronts is the 02 heater code cuz they dont heat up quick enough with headers.
    Last edited by CRAWLIN™; 04-02-2008 at 12:09 PM.
    2001 Z28 FOR SALE

  4. #4
    Veteran 0rion's Avatar
    Join Date
    Aug 2005

    98 Formula
    06 duramax

    You have to turn the codes off for B1S2 and B2S2.

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