quick question
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Senior User
Joined: Sep 2006
Posts: 187
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From: northeast missouri
quick question
i have a problem with my 2004 6.0 f 250. coming home yesterday my truck started blowing what i thought looked like black smoke out exhaust drove it about another 90 miles to get it home. now smoke looks blackish grey smokes at startup. i have coolant loss but no signs of puking from degas bottle. it is rough at idle. does not overheat and eot and ect is at 10 degress seperation same as it has been since cooler replacements. it has probably lost about 2 quarts of coolant in 2 hours of driving. the smoke smells of strong diesel fuel smell. yesterday when i got home it smelled more like kerosene i was think bad fuel but after seeing the coolant loss i am now wondering if egr cooler went bad. its supossed to be blocked off from exhaust with the freeze plug fix. any ideas?
Logistics Pro
Joined: Nov 2010
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From personal experience I would NOT weld an egr cooler.
Quick question; was the egr cooler bad when freezed plugged and welded shut?
I had an egr cooler plugged and welded that was BAD and the welded cracked causing me to eat coolant and throw smoke.
I would either buy a new OEM egr cooler or bullet proof egr cooler.
Quick question; was the egr cooler bad when freezed plugged and welded shut?
I had an egr cooler plugged and welded that was BAD and the welded cracked causing me to eat coolant and throw smoke.
I would either buy a new OEM egr cooler or bullet proof egr cooler.
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Senior User
Joined: Sep 2006
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From: northeast missouri
I think he just blocked the old one off. It has been about a great since that work was done. I hope that is what it is replacing that cooler would be cheaper then head gaskets.
Hotshot
Joined: Apr 2010
Posts: 19,055
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From: Saratoga Springs,UT
park truck nose down and pull the egr valve and look in its chamber for sign of coolant
I would think it could still develop a leak even though its blocked one side
if you weld it find someone that knows how to weld stainless IIRC it takes a special setup to weld stainless
I would think it could still develop a leak even though its blocked one side
if you weld it find someone that knows how to weld stainless IIRC it takes a special setup to weld stainless
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Senior User
Joined: Sep 2006
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From: northeast missouri
Bad egr cooler confirmed tonite. Pulled egr valve and was really most carbon build up in hole. So now I am going to just delete the damn thing. For school that are just doing the block off. Dont. spend tne extra couple of hundred and delete. it will save you in the long run.
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Senior User
Joined: Sep 2006
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From: northeast missouri
I'm not sure. It is the stock one though. This is a hard lesson learned. Cause I just had tne oil cooler and egr cooler blocked off last year. I should have spent the extra couple of hundred then. Now its gonna cost ady least twice that to get it fixed again.plus the cost of delete kit. Mechanic says he puts in bulletproof delete kit. New up pipe no cooler and eliminates egr valve
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Hotshot
Joined: Apr 2010
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From: Saratoga Springs,UT
mechanics got it right but leave the egr valve in the Intake manafold plugged in
for fan operation you need that egr valve plugged in
for fan operation you need that egr valve plugged in
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Postmaster
Joined: Jul 2005
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From: Abilene, Texas
If he says you don't have to have a egr valve plugged then then I'm sorry to tell you but he is wrong. The fan will NOT operate corectly without the valve being plugged in. Now you can just leave the valve on top of the motor and plugged in, instead of in the intake, but it has to be plugged in. I don't see any point in not just leaving it in the intake though with no egr to go through it it won't matter.
Tuned
Joined: Oct 2009
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If he says you don't have to have a egr valve plugged then then I'm sorry to tell you but he is wrong. The fan will NOT operate corectly without the valve being plugged in. Now you can just leave the valve on top of the motor and plugged in, instead of in the intake, but it has to be plugged in. I don't see any point in not just leaving it in the intake though with no egr to go through it it won't matter.
Postmaster
Joined: Jul 2005
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From: Abilene, Texas
You might be right about that. I didn't catch that it was an 04. How do you know for sure that it operates right though. What I know is Cheezit had his egr valve unpluged and with the ford IDS tried to put fan at 100% duty cycle and it wouldn't do it. I don't remember the exact % that it did go to but it wasn't 100%. He then plugged the egr valve back in and the fan worked as should. His is a 06 iirc. So maybe the 03-04's it doesn't effect, but I still don't see any reason to not just leave it there for the looks of a active system anyways.
Postmaster
Joined: Jul 2005
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From: Abilene, Texas
Just because it hasn't gotten hot doesn't mean that the fan is working completely. The fan really doesn't come on all that often. I would bet rarely try's to go to 100% unless there are other problems, or your pulling a heavy load around going up hills. If it ever got to the point of where you need the fan 100% and it won't do it then that could cause major problems. Again, what's the point, when doing a delete, in removing the valve? At the point when there is no exhaust to recirculate then the valve isn't really doing anything other than opening and closing. There is nothing else to it. Its not putting anything nor taking anything from the system. With it there and plugged in at least it looks like you have a operating system at a glance. As far as the fan operation goes it may also depend on what flash you have not just what year. The way I look at it is if all these years everyone has said a delete is the way to go, and never knew of any consaquinces, then one day a tech gets to playing around and finds out a side effect, what else is it doing to the truck that maybe we don't realize just yet?