air pump question
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Joined: Feb 2004
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From: schaumburg, IL, U.S.
air pump question
hey, i was wondering a few things about the air pump on the S2K. Is it primarily used for emissions? And when can you hear it?...(is it off idle, the sound of backpressure from the exhaust 
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Joined: Nov 2000
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From: Laguna
Re: air pump question (shift6th)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shift6th »</TD></TR><TR><TD CLASS="quote">hey, i was wondering a few things about the air pump on the S2K. Is it primarily used for emissions? And when can you hear it?...(is it off idle, the sound of backpressure from the exhaust )</TD></TR></TABLE>
used when the water temp is below a certain temp, too force air into the exhuast manifold and heat up the cat element faster to give better cold start emissions.
)</TD></TR></TABLE>used when the water temp is below a certain temp, too force air into the exhuast manifold and heat up the cat element faster to give better cold start emissions.
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