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Try this.....

Make a histogram that averages the LTFT. The top X axis is MAF Hz, 1500,1625,1750,1875,2000,2125,2250,etc.........

Filter the data by eliminating Fuel Trim Cells that are 1 and...

i have a 98 grand prix gtp with a basic 3.4 setup, i am needing some help tuning. mods are cold air intake, headers/3" downpipe no cat, no egr, 3.4 pulley, casper fuel pump rewire, al 605 plugs, zzp...