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ECMlink AEM wideband pulsing / erratic readings

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This is pushing me a bit to just get a new lsu4.2 sensor for my mtxl and not go to a 4.9 with the newer classic uego I have in a box or order a mtxl+.
 
With a new Bosch lsu4.9 17025 sensor things have gotten better. Log attached and here's a screen snip. Still a little oscillation but I think (hope) it's useable now. The buffer chip is still installed btw.
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