this is called an "air" system, an acronym for Air Injection Reaction.
the manual for my vehical (a chevy citation) explains it's purpose is to
inject fresh air into the exhaust ports of each cylinder during cold
operation and into the cat during warm operation to reduce unburned
hydrocarbons and carbon monoxide.
Glen Christian
Mechanical Engineer Graduate in search of Work
glen.christian@juno.com
On Wed, 30 Jul 1997 10:34:20 -0400 (EDT) MLishego@aol.com writes:
>In a message dated 97-07-30 08:49:15 EDT, gardner@lwcomm.com (Scott
>Gardner)
>writes:
>
>> Since pollution is measured as a percent of the airflow coming out
>> the tailpipe, has anyone come up with the idea of hooking up a pump
>
>> to draw in fresh air and inject it directly into the exhaust pipe
>to
>> dilute the exhaust?
>
>I think that my '86 plym**th had something like that. The air pump
>ran
>directly into the cat. converter. In theory, this is the same idea,
>drawing
>outside air in and pushing it through the exhaust. I know that when
>the pipe
>broke off of the converter, I heard a terrible 'whizzing' sound
>everytime I
>kicked it in the tail.
>~Mike Lishego
>
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