EGR Valve Question - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 09-27-2011, 03:10 PM Thread Starter
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EGR Valve Question

I have heard to leave the valve in place after doing the delete or leaving out and still plugging it in. When I leave mine out the turbo spools quicker and acts different then when it is put in place. With looney tune the egts were higher with the valve out then put it in and they dropped 100 -200 degrees. Anyone else having this happen to them?
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post #2 of 15 Old 09-27-2011, 03:16 PM
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I can't see why it would matter one bit. The valve is not controlling anything, since the egr cooler is gone and that inlet is blocked off.
The valve sits in an area where it is basically out of the normal flow of air in the intake. The valve is shrouded with metal all around it except for its outlet, so why you see a difference is beyond me.
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post #3 of 15 Old 09-27-2011, 04:09 PM Thread Starter
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Me either. I just know that it makes a difference and curious why. It seems like since I put the valve back in I have lost the fuel mileage. If I leave in zip tied on top of motor with it plugged in the fan and everything should still operate properly right?
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post #4 of 15 Old 09-27-2011, 04:16 PM
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Yep, as long as it is active electrically.
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post #5 of 15 Old 09-27-2011, 04:21 PM Thread Starter
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Im going to take it back out tonight and leave it plugged in and see what happens on way to work in the morning. I talked to vivian about this and she wasn't sure why this would happen either.
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post #6 of 15 Old 09-28-2011, 02:59 PM
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There will be zero difference between EGT if the EGR Deleted with or without the valve.

Performance Machine & MFG.
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post #7 of 15 Old 09-28-2011, 03:11 PM
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Quote:
Originally Posted by redsmoke View Post
Me either. I just know that it makes a difference and curious why. It seems like since I put the valve back in I have lost the fuel mileage. If I leave in zip tied on top of motor with it plugged in the fan and everything should still operate properly right?
Actually that kind of makes sense, you get better fuel mileage without the EGR hooked up electrically because the fan clutch is not engaging like it should so there is less load on the motor so less fuel used. IDK just tossing an idea out there.

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post #8 of 15 Old 09-28-2011, 03:19 PM
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The issue with the fan is that it doesn't come on full force when it is supposed to. Not that it is engaged all the time. In the end, there would be less load applied without the valve plugged in.
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post #9 of 15 Old 09-28-2011, 05:31 PM
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LOL never said it was a good idea.

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post #10 of 15 Old 09-30-2011, 05:08 PM
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I noticed my egts were a little higher once i deleted my egr also with my looney. I just leave my valve plugged in on top of the manifold sitting on my block off plate

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