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-   Honda CRX / EF Civic (1988 - 1991) (https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/)
-   -   12- EGR - exhaust gas recirculation lift valve (https://honda-tech.com/forums/honda-crx-ef-civic-1988-1991-3/12-egr-exhaust-gas-recirculation-lift-valve-1852532/)

smokey2.0 01-02-2007 04:04 PM

12- EGR - exhaust gas recirculation lift valve
 
does anyone have any idea, of how to correct this code? i did search, but got no answer. if you have any clue on this, please let me know!

RCautoworks 01-02-2007 07:58 PM

Re: 12- EGR - exhaust gas recirculation lift valve (smokey2.0)
 
Code 12 - Exhaust Gas Recirculation System

Mounted on the right back corner of the fire wall. It cannot be purchased seperatly, but only as a unit. Voltage range of the lift sensor is 1.2v closed to 4.0v open. It was required on all cars sold in in CA. starting in 1988. However, some CIVIC's were engineered without having to use one, to control NOx.

Purge Control Wires:


1 Yellow/Black
1 Red/Yellow

Back

Try cleaning it out

smokey2.0 01-03-2007 12:33 AM

Re: 12- EGR - exhaust gas recirculation lift valve (90blackcrx)
 
i'll try to clean it, can it be taken off?

KFBhonda 01-03-2007 01:06 AM

yes it can be taken off.

HT Chaplain 01-03-2007 03:35 AM

Re: 12- EGR - exhaust gas recirculation lift valve (smokey2.0)
 
i have the same problem https://honda-tech.com/forums/images...s/emthdown.gif How can you eliminate the code???

smokey2.0 01-03-2007 05:49 AM

Re: 12- EGR - exhaust gas recirculation lift valve (HT Chaplain)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HT Chaplain &raquo;</TD></TR><TR><TD CLASS="quote">i have the same problem https://honda-tech.com/forums/images...s/emthdown.gif How can you eliminate the code???</TD></TR></TABLE>i guess by either cleaning it or taking it off, i'll find out tonight when i try cleaning it!

HT Chaplain 01-03-2007 09:55 AM

Re: 12- EGR - exhaust gas recirculation lift valve (smokey2.0)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by smokey2.0 &raquo;</TD></TR><TR><TD CLASS="quote">i guess by either cleaning it or taking it off, i'll find out tonight when i try cleaning it!</TD></TR></TABLE>

i made a fuel saver and did a MPFI conversion in my STD so i could use my old HF motor and the STD doesnt have a way to hook up the EGR https://honda-tech.com/forums/images...s/emthdown.gif

smokey2.0 01-03-2007 03:27 PM

Re: 12- EGR - exhaust gas recirculation lift valve (HT Chaplain)
 
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HT Chaplain &raquo;</TD></TR><TR><TD CLASS="quote">i made a fuel saver and did a MPFI conversion in my STD so i could use my old HF motor and the STD doesnt have a way to hook up the EGR https://honda-tech.com/forums/images...s/emthdown.gif </TD></TR></TABLE>post some pictures, i probably won't have any time to play with this until the weekend!


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