emissions

  1. J

    Carburetor port questions Edit: Shop refused to smog

    I think I have the routing mostly figured out for the EVAP systems. I unfortunately am in California. I'm not 100% sure I have the "correct" carb on there. For the emissions systems, it appears there are three basic systems or components (correct me if I'm wrong): -The PCV system -The...
  2. Kelpiesgmc

    Failed emissions (hydrocarbons)

    I need a passing emission inspection in order to get the van registered here in AZ. Unfortunately it failed its first attempt. This is the printout they gave me Apparently during the initial idle test, the hydrocarbon reading was too high. It came down a lot during the later part of the test...