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D16Y5 to D16Y8 Intake manifold Conversion EGR Valve problem

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Old 08-17-2005, 10:56 PM   #1
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Default D16Y5 to D16Y8 Intake manifold Conversion EGR Valve problem

I just changed out my D16Y5 intake manifold with a D16Y8 Manifold and now I get an egr valve MiL light. How can I bypass this? Do I need to do an ECU swap? If so what else do i need to do?
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Old 08-19-2005, 09:07 AM   #2
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why do ppl change the the intake manifold? wat do you get from it? im just corious because i see lot ppl doing this, i just wanted to know wat for. is it to relocate the air tubing ors omething?
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Old 08-19-2005, 09:36 AM   #3
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Quote:
Originally Posted by AliasNeo
why do ppl change the the intake manifold? wat do you get from it? im just corious because i see lot ppl doing this, i just wanted to know wat for. is it to relocate the air tubing ors omething?
it allows better air flow to the cylinder head. which equals a little more power


as far as the CEL goes, the y8 to my knowledge does not have an egr system, so ur screwed. i will research this swap a little more and if i find anything else out i will let u know
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Old 12-11-2007, 03:33 PM   #4
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will a d16y8 intake manifold fit a d16y7?
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Old 12-11-2007, 04:01 PM   #5
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Quote:
Originally Posted by SPC THOMPSON View Post
will a d16y8 intake manifold fit a d16y7?
Yes it will. There is a DIY around here somewhere. Do some searching.
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Old 12-11-2007, 04:26 PM   #6
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Congrats on...



2 years ago!
Here's the how-to posted here on CC:
http://www.clubcivic.com/board/showthread.php?t=59172
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Old 12-11-2007, 07:47 PM   #7
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i have an auto y8 mani if anyone is interested pm thanks i also have a y5 motor and stuff
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Old 08-25-2008, 12:37 PM   #8
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Quote:
Originally Posted by SPC THOMPSON View Post
will a d16y8 intake manifold fit a d16y7?
is there anything i gotta do b4 i put it on?
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Old 08-25-2008, 12:37 PM   #9
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Originally Posted by brentl21 View Post
i have an auto y8 mani if anyone is interested pm thanks i also have a y5 motor and stuff
what you want for the manifold?
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Old 08-25-2008, 04:49 PM   #10
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Quote:
Originally Posted by JETullous View Post
I just changed out my D16Y5 intake manifold with a D16Y8 Manifold and now I get an egr valve MiL light. How can I bypass this? Do I need to do an ECU swap? If so what else do i need to do?
Why would anyone want to swap out just the intake manifolds? There are more things that are different between a y8 and a y5 motor then the egr valve. VTEC in the y5 head engages around 2800 rpm's and the y8 head around 4500 rpm's. The y5 has a 5-wire primary o2 sensor and the y8 has a 4-wire. The y5 doesn'y have a knock sensor and the y8 does.
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Old 08-25-2008, 05:09 PM   #11
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damn this is an old thread
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Old 08-25-2008, 05:11 PM   #12
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damn this is an old thread
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Old 08-25-2008, 05:14 PM   #13
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haha just saw your avatar ive been playing that game alot lately on my emulator lol
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Old 11-21-2010, 08:25 PM   #14
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got a car in a trade recently with this problem.... still no answer to this question?
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Old 01-04-2011, 05:29 PM   #15
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Default HX about to put on Skunk2 Pro Series Intake Manifold

I have a 98 HX with the d16y5 (knew a guy with 280k on same motor, mine has 111k).
I have 4-2-1 header, high flow cat (I extended the O2 wires and no CEL), custom exhaust and straight through muffler, AEM intake, and I am about to put on the skunk2 pro series intake manifold.
I am going to have to disconnect the EGR but I am hoping that leaving it hooked up to wires and vacuum, tying it off to something, and not getting a code. I hope.
I would really appreciate anyone telling me how they eliminated the EGR and avoided a CEL.
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