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About Coop8202

  • Rank
    New Member

Profile Information

  • Name
    Austin Cooper
  • Location
    West Virginia
  • Drives
    2008 GMC Sierra 1500
  1. P0455 Evap Leak

    I always shut the truck off when filling it up, but before shutting it off, it’s at idle of course, so around 800-1100 rpm
  2. P0455 Evap Leak

    What’s the easiest way to test all of this without pulling the bed?
  3. Hi, I have a 2008 GMC Sierra with the 5.3. I got a P0455 Evap code a while back. I can clear it but it comes back within a few days. When filling the truck up, when the pump shuts off gas spews from the canister area underneath the truck. I can usually always smell a raw fuel smell after driving from the bed area. Thanks!
  4. I have a 2008 GMC Sierra with the 5.3 liter engine. I hear a rattle coming from the underneath of the truck only at 1000-1500 RPM’s. I checked for loose clips and stuff but I have found nothing. It doenst affect the way the truck runs just the sound. Also, the temperature doesn’t affect the rattle.

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