air gulp valve

A diverter valve which adds an amount of air to the rich air-fuel mixture entering the intake manifold during deceleration.

Dictionary of automotive terms. 2015.

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  • air bypass valve — (ABPV or ABV) a backfire suppressor valve used in air injection systems. During high engine vacuum conditions such as deceleration, it vents pressurized air from the air pump to the atmosphere in order to prevent backfiring. At other times, it… …   Dictionary of automotive terms

  • gulp valve — A vacuum controlled valve that admits fresh air to the inlet manifold during deceleration to prevent backfiring in the exhaust system; its vacuum signal is governed by a thermovalve and a solenoid valve to ensure that the gulp valve action does… …   Dictionary of automotive terms

  • valve — A device used to either open or close an opening to allow or prevent the flow of a liquid or gas from one place to another. There are many different types. See ABS relay valve accumultor valve air valve carburetor air control valve air gulp valve …   Dictionary of automotive terms

  • EAC Valve — electric air control valve. This is the GM version of a diverter air gulp valve, providing three functions in a single valve: the normal diverter valve function, i.e., it diverts air on rapid increase in manifold vacuum; it relieves pressure by… …   Dictionary of automotive terms

  • relief valve — [1] A valve in the air pump of an air injection system which dumps part of the air at high pump speeds to prevent pump damage. It may be combined with the air gulp valve. [2] Safety device on a sealed system. It opens to release fluids before… …   Dictionary of automotive terms

  • diverter valve — [1] A valve which adds an amount of air to the rich air fuel mixture entering the intake manifold during deceleration. [2] Used in air injection system to channel airflow to either the exhaust manifold or oxidation catalyst under different… …   Dictionary of automotive terms

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