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Thread: Now that I have headers my 02 sensors wont reach. How do I fix this?

  1. #1
    Join Date
    Apr 2002
    Brackney, Pennsylvania, USA

    Now that I have headers my 02 sensors wont reach. How do I fix this?

    This is a common problem when buying aftermarket headers. All aftermarket
    headers have much longer primary tubes than the stock manifolds. This means
    that the collectors sit much farther downstream than the stock manifolds, thus
    usually moving the position for the O2 sensors further away. The stock O2
    sensors are 8.5 inches long, and usually the only way to make them fit is to cut
    and spice them so that they are longer. However, you can purchase
    replacement 3-wire O2 sensors from Bosch that are longer. #13942-8.5 is the
    part number for the stock sensor. #13950-13 are 13 inches long and #13953-
    16.5 are 16.5 inches long. With Kooks/SCP short tube headers the 16 inch
    sensors fit very well.

  2. #2
    Join Date
    Apr 2004
    Albuquerque, NM
    You can also use aftermarket Mustang O2 sensor extensions. They are 4 plugged but they just clip in and you can use the stock/normal O2 sensor. Just call up your local Mustang place and ask. Dallas Mustang Parts has some that you have to cut a little tab off to work but others just clip in.

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