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  1. B

    Lopy idle

    I'm not sure. I gave them the vin # and it was sent to me.
  2. B

    Fuel pressure regulator

    Fpr I changed mine in a couple of hours on a 2003 chevy 2500HD but when I started it up I now have a lopy idle that comes and goes. Any tips on this??
  3. B

    Lopy idle

    Hello, I recently replaced the FPR on my 2003 duramax and it cranked up and ran fine until about 5 minutes later it developed a lopy idle that comes and goes. Any ideas what to do or check? Thanks, BG
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