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Thread: Cruising afr Mustang 3.7 2015

  1. #1
    Tuner in Training
    Join Date
    Sep 2019
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    11

    Cruising afr Mustang 3.7 2015

    Where do I change the are for idle and cruising? Car has 90 lb/hr injectors, double fuel pump. The car is boosted but my afr's are way too rich at idle and cruising. I changed the flow rate for the injectors and wot lambda for .76.

  2. #2
    Tuner in Training
    Join Date
    Sep 2019
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    11
    Someone please?

  3. #3
    Senior Tuner veeefour's Avatar
    Join Date
    Oct 2016
    Location
    Poland
    Posts
    1,721
    This car is MAP so you tune fuel trims with speed density. Honestly I never had to change it that much as long injector data is correct - double check that first.

    PM me if you want a good boosted tune for S550 V6.