certainly not shouting 
EGR Disconnect Instructions
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Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by tyners3
I disconnected the EGR on my 04 F250 this morning, following the posted directions. It appeared that there were no problems in doing this. After startup, truck ran fine with no indications of any problems. Drove around 5 miles and turned it off. When started truck again, the Check Engine light came on and would not go off. Tried shutting truck off and starting again, but light remained on. Reconnected EGR after shutting off truck. Restarted, Check Engine light still on. Drove home and disconnected batteries. Reconnected batteries and restarted truck, Check engine light still on. Shut off and restarted truck a second time and check engine light went off. By the way, in the instructions for disconnecting EGR it says that it is a four wire connector. On my 04, it is 5 wires. Could this be a problem?
Freshman User
Joined: May 2004
Posts: 45
Likes: 0
From: Santa Clarita, CA
Originally Posted by PSD 60L Fx4
If you have a digital camera, please send me a picture of the plug you removed.
Thanks..
BTW Engine Build Date : February 3, 2004
Thread Starter
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Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by tyners3
I tried to email you a photo, but it won't let me because I don't have enough posts. I went back and looked at the photos that were posted earlier at www.backglass.org/duncan/ps60_manual/ps60_037.jpg . Looking at the connector in the top photo, it also appears to be a 5 wire lead. This is the same connector that I removed. If you know of any other way that I can get a photo to you, please let me know... I am new at this.
Thanks..
BTW Engine Build Date : February 3, 2004
Thanks..
BTW Engine Build Date : February 3, 2004
Senior User
Joined: Mar 2004
Posts: 322
Likes: 0
From: Mountains of NE CA
Quote:
Originally Posted by 569104
PSD 60L Fx4,
I think I'll give it a try tomarrow...if I buy another EGR and plug into it and just tie it off under the hood would that eliminate any codes?
"Yes, it would eliminate the codes, however while you will still clean up your intake you will not gain performance. The gas that would be vented is needed to help spool the turbo, and by venting it elsewhere you will lose the performance aspect. The valve will also set you back a couple hundred bucks, and you need to be careful about placement, as it will vent hot, sooty exhaust gas."
PSD 60L fx4,
I don't quite understand what your saying here. It is probably because I did not explain myself well enough. So let me try....the plan is to unplug my existing EGR and leave it in place (closed position) and have an extra EGR "loose" and plug wires into it so it can operate electronically but not be connected to engine accept for wire.
This I thought would give me all the benefits of your EGR disconnect and no codes because the wire would be hooked to an EGR that would operate as the computer told it but since it is "loose" in midair it would be controlling nothing. Does that make sense or am I way off base here? Thanks!
Originally Posted by 569104
PSD 60L Fx4,
I think I'll give it a try tomarrow...if I buy another EGR and plug into it and just tie it off under the hood would that eliminate any codes?
"Yes, it would eliminate the codes, however while you will still clean up your intake you will not gain performance. The gas that would be vented is needed to help spool the turbo, and by venting it elsewhere you will lose the performance aspect. The valve will also set you back a couple hundred bucks, and you need to be careful about placement, as it will vent hot, sooty exhaust gas."
PSD 60L fx4,
I don't quite understand what your saying here. It is probably because I did not explain myself well enough. So let me try....the plan is to unplug my existing EGR and leave it in place (closed position) and have an extra EGR "loose" and plug wires into it so it can operate electronically but not be connected to engine accept for wire.
This I thought would give me all the benefits of your EGR disconnect and no codes because the wire would be hooked to an EGR that would operate as the computer told it but since it is "loose" in midair it would be controlling nothing. Does that make sense or am I way off base here? Thanks!
Thread Starter
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Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by 569104
Quote:
Originally Posted by 569104
PSD 60L Fx4,
I think I'll give it a try tomarrow...if I buy another EGR and plug into it and just tie it off under the hood would that eliminate any codes?
"Yes, it would eliminate the codes, however while you will still clean up your intake you will not gain performance. The gas that would be vented is needed to help spool the turbo, and by venting it elsewhere you will lose the performance aspect. The valve will also set you back a couple hundred bucks, and you need to be careful about placement, as it will vent hot, sooty exhaust gas."
PSD 60L fx4,
I don't quite understand what your saying here. It is probably because I did not explain myself well enough. So let me try....the plan is to unplug my existing EGR and leave it in place (closed position) and have an extra EGR "loose" and plug wires into it so it can operate electronically but not be connected to engine accept for wire.
This I thought would give me all the benefits of your EGR disconnect and no codes because the wire would be hooked to an EGR that would operate as the computer told it but since it is "loose" in midair it would be controlling nothing. Does that make sense or am I way off base here? Thanks!
Originally Posted by 569104
PSD 60L Fx4,
I think I'll give it a try tomarrow...if I buy another EGR and plug into it and just tie it off under the hood would that eliminate any codes?
"Yes, it would eliminate the codes, however while you will still clean up your intake you will not gain performance. The gas that would be vented is needed to help spool the turbo, and by venting it elsewhere you will lose the performance aspect. The valve will also set you back a couple hundred bucks, and you need to be careful about placement, as it will vent hot, sooty exhaust gas."
PSD 60L fx4,
I don't quite understand what your saying here. It is probably because I did not explain myself well enough. So let me try....the plan is to unplug my existing EGR and leave it in place (closed position) and have an extra EGR "loose" and plug wires into it so it can operate electronically but not be connected to engine accept for wire.
This I thought would give me all the benefits of your EGR disconnect and no codes because the wire would be hooked to an EGR that would operate as the computer told it but since it is "loose" in midair it would be controlling nothing. Does that make sense or am I way off base here? Thanks!
If you leave the other in place, it will not affect anything. It was late and I must have been thinking the gasses would pass through copper wiring 
Excuse me. Your theory was right. You might try it, if you want to spend the money, and tell us how it does.
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Thread Starter
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Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by PSD 60L Fx4
Ok, you are right. I am losing my mind If you leave the other in place, it will not affect anything. It was late and I must have been thinking the gasses would pass through copper wiring Excuse me. Your theory was right. You might try it, if you want to spend the money, and tell us how it does.
If you leave the other in place, it will not affect anything. It was late and I must have been thinking the gasses would pass through copper wiring Excuse me. Your theory was right. You might try it, if you want to spend the money, and tell us how it does.
Senior User
Joined: Mar 2004
Posts: 322
Likes: 0
From: Mountains of NE CA
Thanks jdadamsjr and PSD 60L fx4.
I didn't think of the throttle plate...good point, will try to get around to unplugging tomarrow to see if I can tell a difference. Thanks again for all your help and research!
I didn't think of the throttle plate...good point, will try to get around to unplugging tomarrow to see if I can tell a difference. Thanks again for all your help and research!
Thread Starter
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Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by 569104
Thanks jdadamsjr and PSD 60L fx4.
I didn't think of the throttle plate...good point, will try to get around to unplugging tomarrow to see if I can tell a difference. Thanks again for all your help and research!
I didn't think of the throttle plate...good point, will try to get around to unplugging tomarrow to see if I can tell a difference. Thanks again for all your help and research!
Junior User
Joined: May 2004
Posts: 51
Likes: 0
From: Central Texas
Throttle plate or no throttle plate? That is the question. Previous posts indicated that throttle plate could be left in place and just disconnect the wire with no ill effects. I did that last week and have noticed the benifits mentioned. Now it was indicated that with the throttle plate left in place, the motor could be starved for air. Which is correct? To my simple way of thinking, starved for air = rich fuel ari mixture = smoke & soot out the tailpipe (without the power). I have not noticed anything different out the back end with the wire connectd or disconnected. My brain hurts now, but I just want to make sure I am doing the right thing. The main reason I don't intend to remove the throttle plate is because I don't want to void any warranty. A disconnected wire that does not indicate on the dash is tough to prove intent.
Junior User
Joined: Oct 2003
Posts: 56
Likes: 0
re:Pyrexic
Py,
I THINK (but then again, thinking hurts my head!) that they are talking about HAVING to remove the throttle plate if you do like the one guy was talking about and hook up a dummy EGR...then it might close the throttle plate and cause issues...I, too, have just unhooked the plug by now and have also noticed an improvement...but I'm gonna try to do the throttle plate as soon as I get up the guts...by the way, if you have any questions, PM FX4...he rocks for a guy still in H.S.!!!!
I THINK (but then again, thinking hurts my head!) that they are talking about HAVING to remove the throttle plate if you do like the one guy was talking about and hook up a dummy EGR...then it might close the throttle plate and cause issues...I, too, have just unhooked the plug by now and have also noticed an improvement...but I'm gonna try to do the throttle plate as soon as I get up the guts...by the way, if you have any questions, PM FX4...he rocks for a guy still in H.S.!!!!
Thread Starter
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Former Vendor
Joined: Mar 2004
Posts: 4,362
Likes: 3
From: Hendersonville, NC
Originally Posted by Pyrexic
Throttle plate or no throttle plate? That is the question. Previous posts indicated that throttle plate could be left in place and just disconnect the wire with no ill effects. I did that last week and have noticed the benifits mentioned. Now it was indicated that with the throttle plate left in place, the motor could be starved for air. Which is correct? To my simple way of thinking, starved for air = rich fuel ari mixture = smoke & soot out the tailpipe (without the power). I have not noticed anything different out the back end with the wire connectd or disconnected. My brain hurts now, but I just want to make sure I am doing the right thing. The main reason I don't intend to remove the throttle plate is because I don't want to void any warranty. A disconnected wire that does not indicate on the dash is tough to prove intent.
Senior User
Joined: Mar 2004
Posts: 322
Likes: 0
From: Mountains of NE CA
Hey PSD 60L Fx4,
You out there? What is the deal with the 5 wire EGR? I have a Mar/04 build and have the 5 wire EGR. I have the truck at work tonight and have pulled the plug and will see what happens in the morning.
You out there? What is the deal with the 5 wire EGR? I have a Mar/04 build and have the 5 wire EGR. I have the truck at work tonight and have pulled the plug and will see what happens in the morning.