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Old 11-25-2005, 06:37 AM   #1
 
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Default code 12 EGR Valve jdm D15B VTEC question?

my check engine came one 2 days ago when i started my car it was the coldest day -10 winter has just arrived here. i did not check witch code it was cause i was late for work when i left work and started it again the check engine light did not came one and it was much warmer maybe -2. but last night it was cold again -14 when i started it came on again so i checked the code and it was code 12. first i need to know do jdm d15b have at all a egr valve? where is it located how to i change it.
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Old 11-25-2005, 07:46 AM   #2
 
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bump need help.
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Old 11-25-2005, 06:21 PM   #3
 
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bump
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Old 11-25-2005, 07:36 PM   #4
 
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Default Re: code 12 EGR Valve jdm D15B VTEC question? (CivicHP)

i would maybe try the us model honda book, to maybe look it up where it might be. its also easy to check the code with the plug wire that hangs down under your pasenger side dash.. Click the image to open in full size.
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Old 11-27-2005, 01:56 PM   #5
 
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ok but i first have to know do the jdm d15 have EGR valve?
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Old 11-27-2005, 02:38 PM   #6
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Default Re: (CivicHP)

what ecu are you using?

I believe only the vx motor has an egr


Modified by mc at 6:53 PM 11/27/2005
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Old 11-27-2005, 03:25 PM   #7
 
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i have p28 with my jdm d15b
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Old 11-27-2005, 04:39 PM   #8
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it doesn't matter if the engine has or doesn't have the EGR valve, if the ECU thinks it needs it, it will set the code.
Is the P28 chipped to run the D15b?
which program are you running?
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Old 11-27-2005, 04:46 PM   #9
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i don't think his is chipped so it shouldn't be looking for a egr. Even if it is chipped it shouldn't be looking for an egr unlesss it's chipped as a vx ecu, which would be stupid. p28's won't look for an egr
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Old 11-28-2005, 05:44 AM   #10
 
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ok i see your point so the d15b does have an egr valve right. but u say p28 shouldn't be looking for it. maybe it bulid in and can be optional cause then it don't make sense.
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Old 11-28-2005, 09:08 AM   #11
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some of the really early versions of tools out there had random problems with this code popping up. If you're using an Ebay chip this may be the issue.

If you're running the P28 in it's stock form then there is something else wrong.


not that it matters at this point, but if I remember correctly the D15b VTEC does not have an EGR, the D15b VTEC-E does.
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Old 11-28-2005, 10:32 AM   #12
 
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so far the engine light light up when it cold outside i never had this before and i have my swap in since july. as for the ecu i realy don't know if it chiped i bought it on ebay and guy said it was never opened but who knows i will have to open it and find it out my self. i know my engine is not an vtec-e cause the code would be stamped d15bz and mine is stamped d15b.


Modified by CivicHP at 12:05 PM 11/28/2005
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Old 11-28-2005, 11:00 AM   #13
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actually the JDM D15b came in several versions.
the head determins which one you have.
if it's a P08 you have the VTEC 130hp version.
if it's a P07 then you have the VTEC-E 92hp (VX) version.
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Old 11-28-2005, 11:06 AM   #14
 
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mine say on the block d15b and head stamped p08-06. there is no doubt mine is not vtec-e
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Old 11-29-2005, 06:32 AM   #15
 
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bump
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Old 11-29-2005, 07:31 AM   #16
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Default Re: (CivicHP)

why the bump?
Quote:
Originally Posted by CivicHP
i will have to open it and find it out my self.
did you do this?
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