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  2. Onboard refueling vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Onboard_refueling_vapor...

    The purge valve controls the purge vapor purge line, through which the manifold vacuum pulls air through the vapor storage device and purges it of fuel vapors. The electronic control unit (ECU) controls the opening and closing of this valve. [8] [dead link ‍]

  3. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    The crankcase air outlet, where the PCV valve is located, is generally placed as far as possible from the crankcase breather. For example, the breather and outlet are frequently on opposite valve covers on a V engine, or on opposite ends of the valve cover on an inline engine. The PCV valve is often, but not always, placed at the valve cover ...

  4. Vehicle emissions control - Wikipedia

    en.wikipedia.org/wiki/Vehicle_emissions_control

    Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines.The primary emissions studied include hydrocarbons, volatile organic compounds, carbon monoxide, carbon dioxide, nitrogen oxides, particulate matter, and sulfur oxides.

  5. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    Commanded evaporative purge 0 100 % 2F: 47: 1 Fuel Tank Level Input 0 100 % 30: 48: 1 Warm-ups since codes cleared 0 255 31: 49: 2 Distance traveled since codes cleared 0 65,535 km + 32: 50: 2 Evap. System Vapor Pressure -8,192 8191.75 Pa

  6. Kawasaki Ninja ZX-9R - Wikipedia

    en.wikipedia.org/wiki/Kawasaki_Ninja_ZX-9R

    California-specific evaporative emissions control (EVAP) models included two-stage exhaust catalytic converters, [16] two additional fuel tank fuel vapor recovery plumbing tubes fed to an under tank charcoal canister, an evaporative emission purge control valve incorporated into the Y-snorkel RAM air system float bowl equalization plumbing, and ...

  7. Air purge system - Wikipedia

    en.wikipedia.org/wiki/Air_purge_system

    An air purge heating unit is used to ensure that the purge air remains at a temperature above the acid dew-point. This temperature is typically around 20 °C/68 °F. [2] If temperatures are below this point, the controls will be corroded by condensation of compounds in the flue gas. Heated air ensures that controls are dry during startup. [3]