EGR, the first step is always the hardest! - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 13 (permalink) Old 02-26-2009, 11:25 AM Thread Starter
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EGR, the first step is always the hardest!

Well, I took the first step yesterday after I got home from work. My truck on has 3500 miles on it and I tend to kinda worry about warranty and things like that. But, this trucks runs like a turd. My 05 would run circles around this truck. I drive 35 miles round trip to work. I only average about 14 mpg on the overhead display. Yesterday I unplugged the EGR. This morning I averaged 15.4 mpg driving to work. That is about a 10% increase in just 17 1/2 miles. That is great. The CEL stays on now. But, after a few miles I didn't even notice it. I think I read on here somewhere that the latest computer flash will eliminate the CEL with the EGR delete. Also, can someone post a pic under the hood after the EGR block off plate was installed and all the parts you remove when you did it. Thanks. I appreciate everything I am learning here. But, I will take it one step at a time. Thanks, again.

Dirty "OLE" Man
01, 2500, 4X4, CTD. All stock for now.
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post #2 of 13 (permalink) Old 02-26-2009, 02:00 PM
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http://www.cumminsforum.com/forum/6-...ns-w-pics.html

2007.5, dodge, mega cab, 6.7, 68rfe, 3.73, 4x4, dog box, EGR disabled, [email protected] 4" TBE, Edge Insight.
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post #3 of 13 (permalink) Old 02-27-2009, 12:26 AM
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great glad to hear you did it, are you going to do any of the other deletes?

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post #4 of 13 (permalink) Old 02-27-2009, 02:36 AM
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Nice to ear but to let you know I did`nt get my incredible mpg before 15 000 miles so don`t worry you`ll be very surprise later on.

2006 3500 mega cab SLT auto.
Diamond eye turbo back, S&B cold air intake,62mm turbo, billet tranny, smartyJR....

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EGR and DPF are the worst CRAP ever and the worst is still to come.....UREA !
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post #5 of 13 (permalink) Old 03-05-2009, 01:24 PM Thread Starter
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Yes, I plan to do the EGR block off plate. I don't want to sound real dumb about the diesels. But, I am. What is the EGR cooler delete. I do plan to do the DPF delete.

I ran a Superchip Flashpaq on my 05 CTD. It ran great. I see on this site that most are running the EDGE. Is anyone running the Superchip Cortex programmer? I like the Superchip products and support. Does anyone here have any PRO's or CON's about Superchip?

Thanks.

Dirty "OLE" Man
01, 2500, 4X4, CTD. All stock for now.
91, Jeep YJ, 408"SBC, 205TC, Dana60's,4:88's, 39"Pitbull Maddog's on Raceline Beadlocks.
http://i107.photobucket.com/albums/m...k/100_0837.jpg
http://i107.photobucket.com/albums/m...n/100_0840.jpg
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post #6 of 13 (permalink) Old 03-16-2009, 04:46 PM Thread Starter
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Egr

Installed the EGR block off plates this past weekend. I boxed up the EGR valve and tube from the exhaust side to save in case I ever have to reinstall it. Runs good. Up to 15.4mpg for all around driving. Now a week ago I towed about 5K lb. trailer and jeep about 450 miles running about 65 most of the time except when passing through towns. Didn't average but about 10.8. The EGR was unplugged. Towed great. But, 10.8 sucks towing.

Dirty "OLE" Man
01, 2500, 4X4, CTD. All stock for now.
91, Jeep YJ, 408"SBC, 205TC, Dana60's,4:88's, 39"Pitbull Maddog's on Raceline Beadlocks.
http://i107.photobucket.com/albums/m...k/100_0837.jpg
http://i107.photobucket.com/albums/m...n/100_0840.jpg
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post #7 of 13 (permalink) Old 03-17-2009, 02:21 AM
 
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Do the Homemade DIY's. THey are easy to do. All you need is a grinder some steel, a piece of pipe, and a little bit of skill(not much i promise). I did mine last weekend, and the truck drives way better. I compare it to having a 2 barrel carb on a 454, and then one weekend swapping it out for dual double pumper 750's. Huge difference. It revs up to 3k without even getting in it. Mileage went up too.
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post #8 of 13 (permalink) Old 03-17-2009, 03:06 AM
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those are great pics

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post #9 of 13 (permalink) Old 03-17-2009, 03:29 PM Thread Starter
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Quote:
Originally Posted by hornet67 View Post
Do the Homemade DIY's. THey are easy to do. All you need is a grinder some steel, a piece of pipe, and a little bit of skill(not much i promise). I did mine last weekend, and the truck drives way better. I compare it to having a 2 barrel carb on a 454, and then one weekend swapping it out for dual double pumper 750's. Huge difference. It revs up to 3k without even getting in it. Mileage went up too.
I have fab skills. What DIY's are you talking about? The DPF delete pipe? I can fab a up a delete pipe. But, don't you also need the wiring to fool the computer? I know big blocks. I sold a 79 Camaro, 427, Pro-Street car last year.

Dirty "OLE" Man
01, 2500, 4X4, CTD. All stock for now.
91, Jeep YJ, 408"SBC, 205TC, Dana60's,4:88's, 39"Pitbull Maddog's on Raceline Beadlocks.
http://i107.photobucket.com/albums/m...k/100_0837.jpg
http://i107.photobucket.com/albums/m...n/100_0840.jpg
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post #10 of 13 (permalink) Old 03-18-2009, 10:51 AM
 
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Fab up a delet pipe. The only sensor you need in the exhaust is the one 02 sensor. There are three other temp sensors. You will need to disconnect those and make a "fooler". All they are are 330 OHM or 470 OHM resistors. I left the actual sensor in my old dpf pipe, cut the connector off, and made three 330 OHM foolers. Leave the Differential Pressure sensor (the one with the tubes running to it) connected electrically, but take off the rubber lines going to it. It will run just fine like this. This will fool the ECM to think that it is 1200 deg in the exhaust and prevent it from going in to regen. You can also make a fooler for the differential pressure sensor pretty easy with two resistors(its a three pin connector), but since its not necessary I didnt make one. To Recap.
4" pipe - replaces cat and DPF, You can put a turn down, or just connect it to the stock muffler

02 sensor - Pull the one 02 sensor from between the cat and dpf and put it in a similar location on your 4" delete pipe

3 temp sensors - cut the pigtail off on all three, solder in a 330 OHM resistor from radioshack, heat shrink and reinstall

Differential Pressure Sensor - (the one with the tubes running to it, it is bolted on the transmission) Leave electrically connected, disconnect the two rubber lines going to it.

DIY DPF Delete complete.
Provided you follow these steps your truck will not go in to limp mode, dont worry.

EGR Deletes are even easier. Machine 4 plates to fit the intake where the valve bolts on, and two for the cooler assembly. Assemble plates on intake and exhaust. You must remove the intake tube, and pull out the butterfly valve. Remove the 6 bolts that hold it to the head, remove the silicone intercooler hose clamp. Rotate so you can see inside from the intercooler side. Remove two torx screws on the butterfly, and pull out round butterfly plate. the only thing you might need in addition to some 1/4" flat stock for the plates is a piece of 3/4" heater hose. When you remove the cooler, you are left with two cooling system lines that have to be removed. Just connect the two with some 3/4" Heater hose. When I did mine, there was a piece of pipe with two heater hose connections on the end was about the right size, so I just used that. Hope this helps. It may sound complicated, but its really not hard at all. Take your time, and make sure you hook up everything properly after you are done just to be sure.
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