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Fuel MPG Dropping

Discussion in '2nd Gen. Tacomas (2005-2015)' started by O’Dell, Sep 8, 2023.

Page 2 of 2
  1. Oct 14, 2023 at 11:37 AM
    #21
    Chuy

    #21
    Chuy Well-Known Member

    Joined:
    Aug 4, 2008
    Member:
    #8328
    Messages:
    4,136
    Gender:
    Male
    Lakeside, CA
    Vehicle:
    07 V6 DCLB 4X4 Sport
    Silver Taco
    I wouldn't replace the O2 sensors if you have no CEL codes. If you have a code reader that can read live data, check your fuel trim readings. The values should be under 10, with less than 5 being ideal. There are many videos on how to read them, look up one by Rachets and Wrenches.
    Here is a different, website, source: https://www.motor.com/magazine-summary/fuel-trim-data-powerful-diagnostic-tool/
     
    Chuy, Oct 14, 2023
    #21
Page 2 of 2

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