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Thread: Oxgen sensor monitoring

  1. June 9th, 2015, 03:03 #1
    mmacalus
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    Oxgen sensor monitoring

    Does anyone know if the rs6 only monitors the pre cat sensors?
    2003 RS6 Avus Silver Pearl, Apikol Side-mount IC, AutoSpeed Tune
    2001 A6 4.2 Brilliant Black, Stock
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  2. June 9th, 2015, 03:12 #2
    lswing
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    Pre-cat O2's send fueling info back to the ECU and must be left in place. Post-cat downstream O2's are for emissions only, and can be removed and coded out if you don't have to pass emissions.
    Ace/Edge TC - Tozo Trans - MTM TCU - REVO/ME7 tune - Wagner IC's w/ Venair Hoses - Aux Radiator delete - Hotchkis Sways - Hawk HPS Pads - Koni Sport Struts - Scroll KO4 Turbos - Devil's Own WM - 421whp/452wtq on Mustang Dyno - http://www.audirssix.com
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