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Wideband O2 sensor placement

Discussion in 'Turbo Tech Questions' started by davepl, Mar 2, 2017.

  1. davepl

    Joined:
    Jul 16, 2016
    Does it matter much where my O2 sensor goes? I assume closer to the collector and before the turbo would be better, but is there any practical reason I don't want to just hang it in the big 3.5" exhaust pipe coming off the turbo discharge?

    Even if it was bypassed by the wategate, it's sampling the same exhaust stream, so I can't think of any problem, but I'm new, so figured I should ask!
     
    davepl, Mar 2, 2017
    #1

  2. KEVINS

    Joined:
    May 25, 2004
    Check what the MFR recommends.

    ks
     
    KEVINS, Mar 2, 2017
    #2

  3. davepl

    Joined:
    Jul 16, 2016
    MFR of which though? The sensor? The computer? The engine?
     
    davepl, Mar 2, 2017
    #3

  4. KEVINS

    Joined:
    May 25, 2004
    The computing device.
    What WB system/kit do you have?

    ks
     
    KEVINS, Mar 2, 2017
    #4

  5. davepl

    Joined:
    Jul 16, 2016
    BigStuff3. Just looked, other than "in the exhaust pipe", they don't offer any turbo-related guidance.
     
    davepl, Mar 2, 2017
    #5

  6. Chuck L

    Joined:
    Apr 6, 2011
    Try a search.. Topic gets discussed on a regular basis.......
     
    Chuck L, Mar 3, 2017
    #6

  7. TTF/Ken Staff Member

    Joined:
    Dec 31, 2011
    Between about 1.5 to 2.5 feet from the exhaust side of the turbo. The hotter you run it the further out you want it
     
    TTF/Ken, Mar 3, 2017
    #7

  8. M&M Turbochargers

    Joined:
    Jan 31, 2011
    M&M Turbochargers, Mar 3, 2017
    #8

  9. davepl

    Joined:
    Jul 16, 2016
    Thanks! That's why I asked, turns out I didn't know that!
     
    davepl, Mar 3, 2017
    #9
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