Egr delete and fan function - Ford Powerstroke Diesel Forum

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post #1 of 38 Old 05-14-2013, 03:06 PM Thread Starter
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Egr delete and fan function

Since I deleted my egr and don't have the pigtail plugged in does this mean my fan will not work at all? Second question when the engine gets hot enough to go into de-fuel mode is it very noticeable or not (an extreme loss of power)?
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post #2 of 38 Old 05-14-2013, 03:19 PM
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Since I deleted my egr and don't have the pigtail plugged in does this mean my fan will not work at all? Second question when the engine gets hot enough to go into de-fuel mode is it very noticeable or not (an extreme loss of power)?
It will work, it will just be at a reduced speed. I've been trying to find the thread that explains it but haven't had any luck yet.

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post #3 of 38 Old 05-14-2013, 04:14 PM
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I deleted my egr and left it plugged in. I bolted it up out of the way on an in used hole right above the area where it used to be. Larz at Gearhead recommend it before I got my tunes to help with the fan, and cooling. It dropped the temps around 5-10 degrees at highway speeds on my truck.

2005 F-550 4x4 22.5's
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post #4 of 38 Old 05-14-2013, 04:47 PM
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Is there a difference with my EGR cooler blocked off, and my EGR valve still in place? I keep getting the CEL, just waiting to get the tuner to change that. Is that going to change my fan control, or just when I get the tuner?.


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2006 F250 CCSB Lariat
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post #5 of 38 Old 05-14-2013, 04:50 PM
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Is there a difference with my EGR cooler blocked off, and my EGR valve still in place? I keep getting the CEL, just waiting to get the tuner to change that. Is that going to change my fan control, or just when I get the tuner?.
As long as the valve is present and plugged in, the fan will work fine. You need to leave it plugged in even with the tuner and having the system shut off.

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post #6 of 38 Old 05-14-2013, 05:17 PM
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Thanks. I guess that is my answer then.


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post #7 of 38 Old 05-14-2013, 08:10 PM Thread Starter
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@dhanna6. Can I just plug in a old egr from any truck I don't have mine? Can I just leave it plugged in on top of the engine in a safe place?
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post #8 of 38 Old 05-14-2013, 08:14 PM
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@dhanna6. Can I just plug in a old egr from any truck I don't have mine? Can I just leave it plugged in on top of the engine in a safe place?
That should work fine.

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post #9 of 38 Old 05-14-2013, 08:18 PM Thread Starter
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@dhanna6. Do you have any experience with our kind of trucks going into de-fuel mode? Is it very noticeable when this happens due to high temps?
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post #10 of 38 Old 05-14-2013, 08:20 PM
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@dhanna6. Do you have any experience with our kind of trucks going into de-fuel mode? Is it very noticeable when this happens due to high temps?
I have personally never gotten one that hot. I've had them refuel based on my EGT settings but I'm sure that is different.

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