air pump
Thread Starter
Joined: Nov 2001
Posts: 1,898
Likes: 13
From: Metairie, LA near new orleans
air pump
i just recently took off my air pump...i was read some where that i should also take off my ACV... so should I and how...then what to cover the hole with..
?what is the purpose of ACV how does it work?
?how much does this aid in performance?
it runs slightly different
just don't want to break anything
?what is the purpose of ACV how does it work?
?how much does this aid in performance?
it runs slightly different
just don't want to break anything
Senior Member
Joined: Mar 2001
Posts: 501
Likes: 1
From: Lawrenceville,Georgia,U.S.
The ACV (Air Control Valve) has multiple valves in it. They control secondary air injection to various parts of the engine/main cat. Secondary air is air created by the air pump. The ACV will either inject this air into the exhaust ports, the Main Cat (split air pipe), or the Intake Manifold on deceleration (anti-afterburn valve). It can also bypass all of this stuff by venting the air pump to the atmosphere. If you still have cats on this engine, they will burn up without the air pump and this valve, and you cannot pass emissions without this air pump and valve either. Hope this explains it.
Irv, Keith's dad
Irv, Keith's dad
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