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ECMlink stutter/misfire/backfire WOT

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If you have one injector spraying 10% too much or little then that cylinder will fire different than the others. I don’t know the exact mechanism.
 
I can't see your logs on my phone, but I had a strange issue that was similar that ended up being my cas, and another time it was my dsmlink gm maf cable.

go through the logs and look for smooth signals from your sensors.
 
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