Control Box control, EGR, vaccum tank, inatke soleniod questions !! (4th gen accord)
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Honda-Tech Member
Joined: Jul 2003
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From: West Des Moines 50266, Iowa, USA
Looking under the hood today and "studying" vaccum lines etc, I found that some stuff can be eliminated, namely the EGR and canister. I live in Iowa, no emissions, sniffers, smog ****'s etc etc 
But, I came across some things I am not so sure about. For example:
1) the control box listed on the vaccum diagram - it seems to have 3 vaccum lines run into or out of the intake manifold to it and some lines come out the bottom going to the EGR canister. What does this do and can it be removed? Will the engine throw CEL's or have erratic idle etc etc?
2) the vaccum tank and air intake soleniod valve in front of the intake - what does this thing do and is it necessary? Seems like by using an aftermarket intake, some of these lines may be eliminated as well....
Since I am new to accords, I am curious what these things do and if they really are necessary!
I would love to just pitch the EGR valve, use a heavy-duty block-off plate, pitch the charcoal canister etc and any other emissions related crap necessary so I can clean up that engine bay
Thanks!
Modified by b18c4door at 7:06 PM 8/4/2003

But, I came across some things I am not so sure about. For example:
1) the control box listed on the vaccum diagram - it seems to have 3 vaccum lines run into or out of the intake manifold to it and some lines come out the bottom going to the EGR canister. What does this do and can it be removed? Will the engine throw CEL's or have erratic idle etc etc?
2) the vaccum tank and air intake soleniod valve in front of the intake - what does this thing do and is it necessary? Seems like by using an aftermarket intake, some of these lines may be eliminated as well....
Since I am new to accords, I am curious what these things do and if they really are necessary!
I would love to just pitch the EGR valve, use a heavy-duty block-off plate, pitch the charcoal canister etc and any other emissions related crap necessary so I can clean up that engine bay
Thanks!
Modified by b18c4door at 7:06 PM 8/4/2003
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