Concerns of EGR being unplugged - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 02-25-2010, 11:14 PM Thread Starter
 
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Concerns of EGR being unplugged

Hello everyone. New to the site, but I have been lurking since I bought a 6.7 about 6 months ago. Truck runs good and pulls like a champ.
I was told by a diesel mechanic that the EGR should always be unplugged on this engine and I have been running with it unplugged for the past 3,000 miles with no problems. This has been bothering me somewhat because I fear that it may be doing some long term damage.
My question for you, is it safe to keep it unplugged or should I plug it back up. The CEL stays on all the time and there's a code stored in the computer. Thanks for all the input and I have learned a great deal about the 6.7 from this site.
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post #2 of 5 (permalink) Old 02-25-2010, 11:44 PM
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The EGR Plugged in = Long term damage in the short term
The EGR Unplugged = Long term damage due to just general wear and tear happening in the long term.

Unless they changed something drastic in the ECM in the newer models, that's the way I see it. Just rip it off the motor. That's what I'd do.

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post #3 of 5 (permalink) Old 02-26-2010, 12:10 AM
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Originally Posted by Lonestar View Post
Hello everyone. New to the site, but I have been lurking since I bought a 6.7 about 6 months ago. Truck runs good and pulls like a champ.
I was told by a diesel mechanic that the EGR should always be unplugged on this engine and I have been running with it unplugged for the past 3,000 miles with no problems. This has been bothering me somewhat because I fear that it may be doing some long term damage.
My question for you, is it safe to keep it unplugged or should I plug it back up. The CEL stays on all the time and there's a code stored in the computer. Thanks for all the input and I have learned a great deal about the 6.7 from this site.
If you are going to unplug the .e.g.r then you need to delete the e.g.r and cooler but if you do that then you need to drop the d.p.f and cat out of the exhaust. Witch would require a downloader for all you codes. I belive with just the e.g.r unpluged you plug up the d.p.f quicker and make your truck regen more offten from all the soot going wright to the d.p.f insted of making its way back through the engine.

2010 6.7 cummins 4x4 crew cab short bed 6 speed auto 4:10 gears stock for now. Draw tite brake controller
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post #4 of 5 (permalink) Old 02-27-2010, 01:59 AM Thread Starter
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I'm not sure this truck has ever done a regen. I've put close to 6000 miles on it and as far as I can tell it's never been in a regen mode. From everything I have read on the subject you can tell when a truck is doing a regen and I've never experienced it with this truck. Not sure about the DPF getting plugged quicker. So far the only difference I have noticed is that the engine is not as quiet with the EGR unplugged.
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post #5 of 5 (permalink) Old 02-28-2010, 07:46 AM
 
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if your willing to drive around with it unplugged like that, then take one motre step and just get rid of all the emission crap. itll be a new truck again...
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