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  1. #1
    Senior Member Two Rings
    Join Date
    Oct 08 2007
    AZ Member #
    21638
    Location
    Minnesota

    anyone know if AHA and ATQ oxygen sensors are the same?

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    Down to the last few things on my project car and I need to pick up all 4 oxygen sensors since the motor I bought didnt come with any. Wondering if the sensors for 98-99 AHA motors are the same as the 00+ ATQ. They both use four, 4 wire sensors I believe and the connectors look the same (the bigger D-shaped connector) but the P/N are different. A set of 98-99 sensors are like half the price of the 00+ p/n.
    2012 S4 DSG EPL Stg 2 DP
    B5 A4 Lemons racer in progress

  2. #2
    Veteran Member Four Rings Nollywood's Avatar
    Join Date
    Nov 03 2011
    AZ Member #
    83391
    My Garage
    B6 Avant 420-R, Toyota Runx 1.4 16V
    Location
    Manitoba, Canada.

    They are the same.

    White wires x 2.
    Black wire x 1.
    Grey wire x 1.

    The different part numbers are related to the length of the cables.
    2003 B6 Audi A4 Avant Quattro Sport | 3.0 V6 | 6MT | Denim Blue Pearl | B6 S4 “Black Optik” Grille | Votex Kit | Black Leather - Part Out.

    2012 B7 Seat Exeo ST Sport Tech | 2.0 TDI 170 | 6MT | Phantom Black Pearl | LED DRL’s | Bi-Xenons | AFS | LED Tails | LED RNS-E | AUX / iPod Input | Black Leather | Multi-Function Steering Wheel | Rear PDC.

    2002 Toyota Runx |1.4L DOHC 16V Auto.

  3. #3
    Senior Member Two Rings
    Join Date
    Oct 08 2007
    AZ Member #
    21638
    Location
    Minnesota

    Perfect. Length doesn't matter much to me since I have to make some downpipes and can weld the bungs in wherever I need them.
    2012 S4 DSG EPL Stg 2 DP
    B5 A4 Lemons racer in progress



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