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efi help

  1. EFI Live
    I recently bought a 2013 lml that was about 5 hours away and the truck is already deleted and tuned with a 5 pos switch. The guy is not sure who the original tuner was but believes it was tuned with EFI Live. Now he is hard to get a hold of. I am about to do some mods to the truck that I believe...
  2. EFI Live
    Hey guys I do have a Duramax, but this question is for my brother and his '04.5 LLY GMC. He has EFI Live and the Edge Monitor, He set his tune to 5 and was driving and the screen went black, he said a new screen is around $700 or so, but my/his question is, is there a way to change his tune back...
  3. EFI Live
    ok i installed my switch converted my ecm and completely reflashed my ecm now from what everyones said everyone doesnt put the switch in right so lets start there ive had it apart 5 times and the wire is probably 3/4" into the plug i forced it in with a screwdriver and it will not go any further...
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