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Thread: Ford goes lean off idle to WOT

  1. #1

    Ford goes lean off idle to WOT

    I working on a 2006 ford Mustang with a 4.6 stroked to a 5.0 stage 3 comp blower cams 2.3 whipple and 20 pounds of boost. When i roll in to the gas it ok goes a little lean but not bad. When i go WOT off idle it goes real lean and cuts out. I have try ed adjusting the maf for this is ther a table that i'm missing like the GM PE.

    PO's 2006 GT 120 pound injectors bace 28.hpt

  2. #2
    Tuner in Training
    Join Date
    Aug 2013
    Posts
    13
    -Borderline Spark.txt
    -Maf voltage.txt
    -Load with failed Maf.txt

    The Maf transfer function needs to be a curve, yours looks like a jagged rock.

    Your injector high and low slopes do not look normal. get good injector data from whoever built them

    There is WAY too much timing in the high load/low rpm area of the borderline knock table. Especially for a PD blower

    Also, have you properly tuned the Load with Failed Maf table?