air pump is removed
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From: WISCONSIN
air pump is removed
For those of you that have removed your air pump...
What did you do with the open pipe that is left? I circled it in red in the below picture. Did you cap it off? put a filter on there? what?
What did you do with the open pipe that is left? I circled it in red in the below picture. Did you cap it off? put a filter on there? what?
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Joined: Oct 2006
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From: Chiswick
it pumps more air into the intake at start up to make the mixture lean... so that it increase egt's and in doing so heats up the catalytic converter
leaving it shold be fine because the valve is shut anyway
leaving it shold be fine because the valve is shut anyway