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two tanks

  1. D

    Am I crazy, did I bump my head?

    I’m very confused here in ny. I own and drive a 2002 Chevy avalanche, 2500. It has an 8.1 vortex engine. So it has two gas tanks, not sure the engineering behind that. I’ve been having trouble with an occasional gas leak. It comes from the rear tank. It pukes gas only once in a while and only on...