Nagase

iTrader: (6)

Been running VEAnalyze, and it's been great, but once in a while when i'm tuning with it, it'll just start leaning out my cells. If i'm driving and not watching it, sometimes it'll take a 40 cell down to the teens, and i'll start losing the ability to accelerate.

Any idea what could be causing this?

turotufas

iTrader: (7)

I have the same thing. When cruzin at around 5% throttle it'll get really lean like 18-19. Then the car starts sputtering.

Cspence

iTrader: (11)

Change the authority limits under advanced settings. This way ve analyze live can only change the cell by X or X%. I have mine set to "Maximum cell change of 10" & "Maximum cell change percentage of 10%". Also is your cell change resistance set to low?

Nagase

iTrader: (6)

Wouldn't this just minimize the problem? Had this happen again the other day and thought of it. Definitely, minimizing the issue is good, but once i go turbo, i don't want my fuel tables all leaning out by 10% randomly.

ScottFW

iTrader: (4)

Does that happen everywhere in the VE table, or just in the lower row? My experience was that it tended to lean out my 20 kPa row too much, so I manually tuned that and set the min kPa for autotune to like 34 kPa (something a few kPa above your typical idle range) so it won't touch them.

Also, run your cell change resistance on "very hard."

Sokool

iTrader: (1)

And make sure you have closed loop off....

levnubhin

iTrader: (30)

What does your target table look like?
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Nagase

iTrader: (6)

It's happened when my AFRs were set to 13, and when they were set to 15.3.