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  1. Engine Tunes/Mods
    Hi everyone, I am new to the site and have just ordered a tuned PCM from PCM4LESS. I was an idiot and didn't read the instructions that I now need a CASE relearn. I have not yet found anyone in Minnesota that knows how to do it or has the Tech II. My local Chevy dealership said they'd do it...
    case catalytic pcm relearn tune
  2. Engine Tunes/Mods
    Just got a used pcm off from eBay. The vendor "flashed" my vin number into the pcm, supposively as calibrated software claiming "ready to install." I bought this to use as my "spare stock unit." I'm preparing to send my current pcm on the truck to PCMForLess tuning. So I thought it was time to...
    relearn security
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