EGR Question
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Senior User
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From: Royse City, Texas
EGR Question
Well i just bought a 2003 F-250 6.0 Super duty and i have herd bad rumors about the egr in it getting fried... i found a egr delete kit and was wondering if it would be beneficial to get it? and what kind of problems would it cause? is there also anything i should look out for on this pickup?
it has 118000 on it and a 6 spd standard if that matters...
Thanks for helping
scott
it has 118000 on it and a 6 spd standard if that matters...
Thanks for helping
scott
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I guess the first thing I would do is to install some gauges and monitor your EOT and ECT. If more than a 15* spread the OIL COOLER should be replaced. If at that time you're wanting to delete the EGR cooler, then you've kinda killed two stones with one bird. Personally, I would not dive into the EGR delete unless you know what your temps are.
HTH
Peter
HTH
Peter
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Just got done doing this on mine. Did an EGR delete and a new oil cooler. If your in there you might as well do it all at once. With 118k on the clock it will need an oil cooler soon if it doesn't already. You might also do the updated STC fitting on the HPOP as well if it hasn't already been done. You won't know if it has been done until you pull the HPOP cover off, unless of course you know the service history. This will add some work and cost but its worth it to do it all at once in my opinion.
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I've got an early '04 that I got back in April, so I've been doing a LOT of reading.
To the OP - I did the EGR delete/oil cooler rebuild in June. I use an Edge insight to monitor coolant and oil temps. My temperature spread was up to 30 degrees on a hill before I did the replacement. My maximum spread now is about 12, even when towing.
If there's a downside, it may be that there is less boost after the EGR delete. I see a maximum of 23 lbs. no matter what I'm doing. It doesn't seem to hurt the operation of the truck and mileage is about the same, 17-18 pure highway, no towing. I live in western Montana, so even "pure highway" has a lot of ups and downs in it.
The main reasons I deleted my EGR cooler were the possibility of failure and that leading to much worse problems, and wanting cleaner air going through the intake. There is some peace of mind knowing all that particulate is no longer flowing back into the cylinders.
To the OP - I did the EGR delete/oil cooler rebuild in June. I use an Edge insight to monitor coolant and oil temps. My temperature spread was up to 30 degrees on a hill before I did the replacement. My maximum spread now is about 12, even when towing.
If there's a downside, it may be that there is less boost after the EGR delete. I see a maximum of 23 lbs. no matter what I'm doing. It doesn't seem to hurt the operation of the truck and mileage is about the same, 17-18 pure highway, no towing. I live in western Montana, so even "pure highway" has a lot of ups and downs in it.
The main reasons I deleted my EGR cooler were the possibility of failure and that leading to much worse problems, and wanting cleaner air going through the intake. There is some peace of mind knowing all that particulate is no longer flowing back into the cylinders.
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Not if you live in one of the Colorado counties that has emissions testing for diesels.
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Post Fiend
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Oh, by the way, your still getting particulates back into the cylinders as well. You have to remember that the air that it is sucking in already isn't the cleanest out there and if you are behind somebody that loves to blow smoke, there goes those particulates right through the intake(I've been behind my fair share of smoke belching Dodges).
I'm also one of those that doesn't believe that an EGR bypass or delete is needed, now if you want it that's different.
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EGR cooler fails due to more often then not because of an oil cooler failure, which you can still have despite having an EGR delete.
This is true, but you no longer run the risk of coolant dumping into the intake and possibly hydrolocking the engine, right?
Oh, by the way, your still getting particulates back into the cylinders as well. You have to remember that the air that it is sucking in already isn't the cleanest out there and if you are behind somebody that loves to blow smoke, there goes those particulates right through the intake(I've been behind my fair share of smoke belching Dodges).
How effective is the stock air filter at blocking particulate through the air intake? What I'm NOT getting is particulate produced by my own engine put directly back into into the intake unfiltered.
I'm also one of those that doesn't believe that an EGR bypass or delete is needed, now if you want it that's different.
I agree completely.
This is true, but you no longer run the risk of coolant dumping into the intake and possibly hydrolocking the engine, right?
Oh, by the way, your still getting particulates back into the cylinders as well. You have to remember that the air that it is sucking in already isn't the cleanest out there and if you are behind somebody that loves to blow smoke, there goes those particulates right through the intake(I've been behind my fair share of smoke belching Dodges).
How effective is the stock air filter at blocking particulate through the air intake? What I'm NOT getting is particulate produced by my own engine put directly back into into the intake unfiltered.
I'm also one of those that doesn't believe that an EGR bypass or delete is needed, now if you want it that's different.
I agree completely.
I'm certainly not trying to persuade anyone else to delete (or not) their EGR cooler. Just relating my own thought process.
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Joined: Jul 2005
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From: Middle Tn.
EGR cooler fails due to more often then not because of an oil cooler failure, which you can still have despite having an EGR delete.
Oh, by the way, your still getting particulates back into the cylinders as well. You have to remember that the air that it is sucking in already isn't the cleanest out there and if you are behind somebody that loves to blow smoke, there goes those particulates right through the intake(I've been behind my fair share of smoke belching Dodges).
I'm also one of those that doesn't believe that an EGR bypass or delete is needed, now if you want it that's different.
Oh, by the way, your still getting particulates back into the cylinders as well. You have to remember that the air that it is sucking in already isn't the cleanest out there and if you are behind somebody that loves to blow smoke, there goes those particulates right through the intake(I've been behind my fair share of smoke belching Dodges).
I'm also one of those that doesn't believe that an EGR bypass or delete is needed, now if you want it that's different.
Post Fiend
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From: Plano TX and Brentwood TN
I know exceptionally smartass here, but that's what I'm known for.
Hotshot
Joined: Jul 2005
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From: Middle Tn.
I shouldn't have used that example that I did. You are right about the example that I gave, however, you have to remember that there is other crap that is on the same micron level of oxygen that is known as "free radicals" that get in there that contribute nothing to the combustion process. They are also particulates, they do cause slight additional wear.
I know exceptionally smartass here, but that's what I'm known for.
I know exceptionally smartass here, but that's what I'm known for.
NAW, Never!!
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I shouldn't have used that example that I did. You are right about the example that I gave, however, you have to remember that there is other crap that is on the same micron level of oxygen that is known as "free radicals" that get in there that contribute nothing to the combustion process. They are also particulates, they do cause slight additional wear.
I know exceptionally smartass here, but that's what I'm known for.
I know exceptionally smartass here, but that's what I'm known for.
I CAN control whether the unfiltered exhaust produced by my engine is routed right back into the intake manifold. Lowering the amount of particulate can only be a good thing as far as the engine is concerned, and I'd bet that what is reintroduced via the EGR cooler is worse than most or all of what makes it through the filter. When I cleaned my intake manifold, it was VERY nasty. As far as I can tell, nothing like that makes it through the air filter. All that junk was a result of exhaust being channeled back into the intake through the EGR cooler. And that's only what stuck in the intake manifold.
The points made about emissions inspections are well-taken and must be considered. There may come a point where I have to reinstall my EGR cooler. I can do that.
Post Fiend
Joined: Oct 2005
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From: Plano TX and Brentwood TN
Also, think of all the engines out there with working EGR systems(both gas and diesel) that are still around and in some cases lasting longer then those with deletes or bypasses. I might also add that I retain my entire EGR system and my truck's injectors flow 40% more fuel then I would bet yours does, which translates into a lot of "nasty" stuff collecting.
I think that people have blown this up way out of proportion. Now the later stuff(DPF, Urea Injection etc) there might be room to scratch and burp as that is totally new technology. EGR systems are not new, new to diesels, but in of itself not new technology.
Just something else to consider.