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  1. January 28th, 2023 #1
    Autovation
    Autovation is offline
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    Default E38 no misfire data

    Heres the story.....
    I swapped a LC9 into my 07 Avalanche , added a 70mm turbo in April of 2021. I had some lean tip in problems that would come and go. Ditched the MAF and tuned it for SD, voila no more issues. Its got almost 60k miles on it without any major issues.

    Recently it developed a misfire anywhere above 8 PSI (boost controller is set to 10.5). I noticed that logging any misfire data came up with nothing, multiple scan tools same issue.

    I'm not seeing anything in the tune that would give me this issue. Is this just a product of running SD on an E38?
    Could someone give the tune a once over and see if I'm missing somerhting?
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