Im having a Stumble on tip in with my G8 on a SD/Maf blend. The car doesnt have a stumble when its kicked over on Maf only. The car only does this at low speed and low RPM. I would love some direction on this . I have been trying to figure this out for a while now. Thanks
If you could add in MAF, Dynamic and GMVE airflow would be really handy. Generally a adding a little to the VE table in that area will help. But if you could get us those air flows that will pin point it better.
Why did your short term fuel trims go off before you even started moving? You should graph stft so you can tell what cells need to be richer or leaner. If it is just when you start to get on the gas, it is "probably" lean and you need to add fuel in the few cells that show lean and then smooth them. Don't guess and add some percentage. I would turn off LTFT's until you get that fixed and turn them back on later. Do you have a wideband?
2000 Camaro SS 2015 L83 port injected, Whipple 3.0, 4L80E, 8.8 Ford
2013 Silverado 5.3, 6L80k 8.8
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