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Old 01-10-2013, 09:52 PM   #1
Mystery169
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EGR Valve replacement and cleaning.

Hey im looking to replace my EGR valve so i can pass emissions in AZ, but I'm not sure if my truck has it installed -_-. I took some pictures but i'm not sure if I have it, the first pic i think its the egr control valve but Im not sure. Does anyone know exactly where the egr mounts in the 351m?


What I think the EGR is?


My carb
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Old 01-10-2013, 11:09 PM   #2
Mikey350
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Bronco Info: '96 Black 302 XLT - '94 Green 351 E. B. both have E4OD, 3.55 axles, 31 10.50x15
The item circled in your first gigantic picture is the vacuum advance diaphragm.
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Old 01-11-2013, 01:26 AM   #3
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Obviously, you didn't read the sticky threads at the top of the forum. Look in the one called something like "official name this part".
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Old 01-11-2013, 11:02 AM   #4
miesk5
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yo M,
What year?
351M/400M Workshop; EXCELLENT M Block Information Source
Source: by Bubba (Dave R) at http://grantorinosport.org/BubbaF250/index.html
Ford Part Numbers for 351M/400M; "...The following table lists EGR valve and EGR ... read more @ http://grantorinosport.org/BubbaF250/parts/parts05.html
D8DZ-9D475-CA

avail from parts stores and http://www.amazon.com/ACDelco-214-13...art/B000EQQXLU
Description & Depictions in Chilton Manual for 66-81 Bronco, Scanned Copy
Source: by Chilton via broncocity @ http://www.broncocity.com/diagrams/C...ons%20Fuel.pdf page 145

Location & Depiction in Parts Diagram in a 78 400M

Source: by 78brncoxlt
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Old 01-11-2013, 02:12 PM   #5
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Bronco Info: 1986 Bronco XLT 4x4 -AOD -Warn Hubs, NEW stock 302EFI (2008) All MSD ignition, 9mm FMSR wires
One thing you can do to help pass your smog test is to put in a new set of plugs, back your timing down a couple of degrees then drive it around for an hour then right before you go in to test stop somewhere discrete and add 1/2 gallon = 2 x 32 oz. bottles costs $5-6.00 anywhere) of 91 % Isopropyl Rubbing Alcohol to 1/4 tank of gas and you'll pass with flying colorsmassuming everything is in working order.

This information is from FSB member Sixlitre's post "I done falied my somg test (tears)" I've been using it for years and passed twice in the last four years.


Good Luck ~
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Old 01-19-2013, 02:40 PM   #6
Big C 96
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Cool egr

Wats up everybody ok I ran an engine check on my 96 5.0 fsb and my egr valve and o2 Sencers popped up I no the egr valve can cause the o2's to go off but my ? Is the egr valve worth cleaning or just buy a new one
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Old 01-19-2013, 05:50 PM   #7
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Quote:
Originally Posted by Big C 96 View Post
...I no the egr valve can cause the o2's to go off...
You "no" wrong. Fix it right, pay someone who can, or leave it alone.
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Old 01-19-2013, 06:42 PM   #8
Big C 96
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I can fix it no prob I've just heard of people cleaning them because the valve gets clogged
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Old 01-19-2013, 09:01 PM   #9
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Modular engines (esp. the early 4.6Ls) clogged their EGR passages; not these engines. And no matter how clogged they are, it won't set a code. These old EECs don't monitor the EGR flow - only the position of the valve & the resistance thru the EVR solenoid. Read this caption:

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Old 01-20-2013, 02:42 AM   #10
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Thumbs up

Ok thanks that helps alot
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Old 01-20-2013, 10:46 PM   #11
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SO I GOT IT FIXED TODAY IT ENDED UP BEING THE EGR FEEDBACK SEN
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Old 01-20-2013, 11:27 PM   #12
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Glad you got it sorted out Brother, listen to the mistro Steve83.....lol lol..
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Old 01-21-2013, 10:56 AM   #13
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Lol I've been working on theses things sence I was 12 but the egr system changed in 96 and thismis my first 96
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Old 01-21-2013, 01:39 PM   #14
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Hey bigc if you don't mind me asking, what were the symptoms that led you to the egr?
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Old 01-21-2013, 05:40 PM   #15
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Thanks everyone for the replys, but I still have no idea where it's located on the engine. It's a 351M so is it the back behind the carb?
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Old 01-21-2013, 06:14 PM   #16
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Then read post #3...
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Old 01-21-2013, 06:23 PM   #17
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Bronco Info: '96 Black 302 XLT - '94 Green 351 E. B. both have E4OD, 3.55 axles, 31 10.50x15
Mystery69 - does this look like your engine? (Not my pictures, but you really need to fill in your vehicle information)



http://www.supermotors.net/registry/media/468740_1
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Old 01-21-2013, 06:31 PM   #18
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Bronco Info: '96 Black 302 XLT - '94 Green 351 E. B. both have E4OD, 3.55 axles, 31 10.50x15
Do you have something like this?



http://www.fordmuscle.com/archives/2...ges/egr_lg.jpg
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Old 01-22-2013, 09:13 AM   #19
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Quote:
Originally Posted by Mystery169 View Post
Thanks everyone for the replys, but I still have no idea where it's located on the engine. It's a 351M so is it the back behind the carb?
yo; See my reply with Diagrams showing it Behind carb, meaning it is between carb and firewall; also see Ford Part Numbers and Bubba's M BLOCK SITE

And as Mikey shows in diagrams he posted
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