EGR question - Ford Powerstroke Diesel Forum

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post #1 of 39 Old 04-29-2014, 12:20 PM Thread Starter
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EGR question

I have a 2014 and researching the delete options. Is it better to just leave the EGR unplugged rather than go through the hassle of removal and blocking once I use a tuner to disable?
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post #2 of 39 Old 04-29-2014, 05:10 PM
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EGR deposits will continue to build-up on the EGR valve even though you've unplugged it. Over time, the valve will be damaged, which means you'd have to purchase a new one if you ever go back to stock.

I did the block-off plates on my 2013. They keep the crud away from the EGR valve and, should the need arise, I can remove them and reactivate the EGR system in about 10 minutes.
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post #3 of 39 Old 04-29-2014, 05:15 PM Thread Starter
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Would I just use the plates that come in the sinister kit? Remove the pipe and put the plates on?
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post #4 of 39 Old 04-29-2014, 06:17 PM
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Yes that will work
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post #5 of 39 Old 04-29-2014, 07:40 PM
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Apparently some users on here believe returning to stock is a losing battle for any engine component warranty work because the dealership can now see the fact that the engine has been tuned even when back to stock. If this is true then IMO theres no point leaving the EGR cooler intact, the engine will look WAY nicer with the hunk of crap off the engine. Either way as long as you block off the EXH side you will be better off then just unplugging it.

2013 - F350 CCLB. - 8" Lift on 37s. H&S XRT w/ CTS. Sinister EGR Delete. MPD CCV Delete. Wicked Wheel 2. SDP Downpipe. No Limits CAI. 5" FloPro. Retrofit HIDs.

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post #6 of 39 Old 04-30-2014, 04:36 PM
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I have spoke to several diesel performance shops and all of them say removing the whole cooler is the only way to go. If I understand this system correctly just doing block off plates still allow exhaust into the cooler but it goes no where. Still not sure how that can be so bad other than heat build up. I need to learn the system better I just unplugged mine today but plan on a full delete this weekend.


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2014 VW Passat TDI (DIRTY DIESEL )42mpg on the highway (Wife's Ride).
2011 F-350 CCSB 6.7L, Loaded, Lariat Ultimate, FX4 Off Road Pkg, Reese 5th/Goose Hitch, White on Black. (43K as of 4/14) H&S Mini Maxx, Flo Pro delete pipe, Magna Flow Muffler and Sinister EGR Delete . Sold 2/15
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post #7 of 39 Old 04-30-2014, 06:40 PM
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Originally Posted by psdcasper View Post
I have spoke to several diesel performance shops and all of them say removing the whole cooler is the only way to go. If I understand this system correctly just doing block off plates still allow exhaust into the cooler but it goes no where. Still not sure how that can be so bad other than heat build up. I need to learn the system better I just unplugged mine today but plan on a full delete this weekend.
Ive never actually looked into what blockoff plates come in those kits that leave the cooler intact but from what I understand they remove the shorter exh pipe between the cooler and the intake system. If this is the case then the gases will still be entering the EGR cooler, they will still be in contact with the EGR so the heat and carbon build up will destroy the EGR even though it isnt functioning. Likely itll have to be replaced whenever going back to stock since it might be broken. The EGR valve is on the hot side so the cooling system will no longer be effected by the heat transfer from the gases since the valve will no longer be opening. If they remove both pipes then the exh blockoff plate will be on the manifold and no more exh will enter the EGR, that shouldnt effect the system at all while deleted.


Either way the cooler is ugly, so remove it. Make your engine bay happy!!

2013 - F350 CCLB. - 8" Lift on 37s. H&S XRT w/ CTS. Sinister EGR Delete. MPD CCV Delete. Wicked Wheel 2. SDP Downpipe. No Limits CAI. 5" FloPro. Retrofit HIDs.


Last edited by HighHP; 04-30-2014 at 06:43 PM.
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post #8 of 39 Old 05-01-2014, 04:28 AM Thread Starter
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I believe it blocks off the exhaust gases.
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post #9 of 39 Old 05-07-2014, 01:47 PM
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Originally Posted by lizardking View Post
I believe it blocks off the exhaust gases.
I just ordered my Sinister Kit and do believe after reading the directions if one would want to leave the cooler on the truck for whatever reason that would be all you have to do is block the exhaust side with one plate and intake side with one plate. Only difference I can see with the complete EGR cooler kit is the coolant block off plate that is placed under the cooler when it is removed. All the diesel shops have told me that it's a time bomb waiting to happen but I just can't see how. Only difference from the block off plate delete kits and the full cooler delete kits is the coolant block off plate and a piece of hose/coolant caps (depending on which kit you buy) and a few clamps. As far as exhaust gases it is getting dead-headed at the same place on whatever kit you buy. Just my 2 cents.


2015 F-350 CCLB Loaded, Lariat Ultimate, FX4 Off Road Pkg, Reese 5th/Goose Hitch, Fully Loaded.
2014 VW Passat TDI (DIRTY DIESEL )42mpg on the highway (Wife's Ride).
2011 F-350 CCSB 6.7L, Loaded, Lariat Ultimate, FX4 Off Road Pkg, Reese 5th/Goose Hitch, White on Black. (43K as of 4/14) H&S Mini Maxx, Flo Pro delete pipe, Magna Flow Muffler and Sinister EGR Delete . Sold 2/15
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post #10 of 39 Old 05-07-2014, 04:27 PM
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I'm planning on just using the egt kit to block off the exhaust side and leaving the egr in place so if I have to return to stock it will b a simple task. I would also think other than looks there is no difference in this or the full delete kit. If I wasn't worried about warranty I would full delete.


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