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Accurate data logging Dodge ANN and filtering DFCO

EFI Tuning Fundamentals

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Discussion and questions related to the course EFI Tuning Fundamentals

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Hi guys,

I am working through my fueling with the ANN tables, just like the EFI practical reflash course.

My issue is I find that when I let off the accelerator the car goes into deceleration fuel cutoff. I can disable it, but that would probably make things richer than normal. So I did some research and found that you can filter out some of the data on HP tuners by adding a parameter on your histogram. For example, I put a filter so in addition to the cam position it also filters anytime my accelerator pedal position is less than 10%. When I am fully off the accelerator it is 8.2% so this cleaned up some of the outliers.

Just wanted to see if anyone had any other ideas on how to filter out that bad data? Thanks in advance.

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