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  1. J

    0411 swap done, did crank relearn...now it doesn't run

    I know this is kind of an old thread, but my Tahoe z71 was giving me the same issues. After literally months of troubleshooting it came out to #1 the 0411 is more sensitive on the crank sensor so spacing is more critical. #2 this is the one that really got me. The cooling fins on my ignition...
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