Take a break dude, this will get worked out. I'll vouch for jbrew. He's a little temperamental. He is always trying to help someone, and takes a lot of crap in the process. Jackhammer has what he needs to fix his engine, and he is working on it.
This thread was getting back on track.
You will see, if you just let it go.

 

Thanks b2. Really appreciate those pics.

 

Im perfectly chill. I just dont understand why this thread is going on 8 pages long. Like Jbrew said(which by the way has taught me alot) that it either is spot on(with the voltage) or its not. If the voltage is wrong, time for a new DPFE. The only thing other than that, that could mess you up would be if you have the EMS and IMS tubes switched around which would put the wrong pressure on the wrong side of the DPFE. Could be just as simple as switching them around if you are fast enough to catch it before them being backwards messes up your DPFE. I believe that the tubes both IMS and EMS are different sizes going to the DPFE. The DPFE should have a large port and a smaller one, just like your EGR tube coming from the exhaust manifold will have a smaller and larger port as well. Its as easy as matching big with the big and small with the small. If you put vac on the EGR at idle at it doesnt bog down then the ports are clogged. If you know already that the ports are not clogged then the EGR valve itself is at fault. Atleast thats what came across from Jbrew in the last thread.

Don't get me wrong, I am not holding any grudges. There is really no need though to be temperamental. Its great that the guy takes his time to help out people that aren't as knowledgeable as him, but to completely turn around and blow up on them for further ignorance and inquiring even if its staring the person in the face is wrong(even though he was right that the whole not having a motocraft DPFE sensor was the problem and I did not want to believe that). I noticed him also in a another thread saying something to a guy about Ford not making COP's, and we all know what the guy meant when he said buy Ford. He obviously meant to buy motocraft, and saying what he said was just unnecessary. Of course he went back and edited it though after the guy took offense to what he said and called him a smart ***. Dont get me wrong, I am not trying to cause anything really, if anything, I would shake the man's hand for helping me out with something I thought I would never fix. Does not necessarily mean that I am going to condone him being temperamental all the time either.

Im glad that the pictures helped you. I had no idea what I was doing until Jbrew(in my thread) posted a picture showing me what I was missing everytime I thought that I had cleaned them EGR ports. Changing the DPFE to Motocraft,cleaning out those ports, and getting a new EGR valve cleared that problem right up for me. It also got rid of a lean code I was having. It was either that or some lucas injector cleaner(thats some good stuff).

Sorry for the novel guys,
Brad

 

On an informational note. The aluminum DPFE has the same size connector for the IMS, and the EMS. But the tubes fit one way if they are cut to length. They are marked with cast lettering. But if they only fit one way, they're idiot proof. I just thought I'd throw that in there, so if you ever run across the aluminum DPFE, you will already know, and won't have the same problem I had.
This thread got off to a bad start because problems from another thread were brought into this one. I did my share. But the thing is Jackhammer had nothing to do with the problems that were brought here. He just happened to open his thread when others were not following proper etiquette. His thread got junked up with stuff that didn't belong here. He just wants his truck fixed and he got much more than he could keep up with, as he seemed to be new to forums.

 

Right, I just happened to have the plastic one. I have never seen the aluminum one other than when I went to Ford and they brought two different ones out. I did not get a good look at, I just knew it was not what I needed.

This thread got off to a bad start, I second that. And just to cover my back with Jackhammer, I have no issues with him or anything he said... and thats exactly why I posted those pictures for him. They were extremely helpful when I was where he is now.Hopefully, he will be able to get those ports cleaned out and get that code out of the way. Its a big load off I think knowing that the problem is fixed. Did not mean to sound like a butt head at the beginning. Should have not said anything to begin with, but I did. I stooped, and I apologize.

 

Check page 1 post 13

 

Thats a clean throttle body

 

Jackhammer

Did you get it done?

 

Mannnn, there was a few EGR PO401 threads going on here at once, -yea, I couldn't keep them straight. I got b2 mixed up with Jackhammer and vise verso, -then b2 went on that new thread spree, - cheesed me off a little because that does confuse. Sometimes you can't recall one persons specific problem or everything that's been done to a certain point without backtracking a bit. It's a real PITA to backtrack or go thru ones problem when their jumping threads, you loose track of history. -Plus it can be time consuming just finding them at times.


Exactly^^^

Ford doesn't make COP's ? Oh, you caught that one huh. Yea, I never finished posting in that thread. I went to the garage and took pics of coils and differences. Took them apart/ took a shot of origin stamps, blah, blah blah, but haven't posted that stuff yet. $76 Ebay coils ARE indeed Motorcraft coils, -Identical, IF you purchase from the right seller. The Mark up is better than 800% . I'm a smart ***, sometimes fly off the handle a bit, - so I'm not perfect, but always there to help when I can be.

 

Jbrew, Tumba, B2 and everyone else that contributed to my problem, Well, let me rephrase that... to all who helped me with my problem, It's a done deal. The ports are clean and working fine. What I couldn't see in the ports, was the clog which was not evident from looking at the ports from the botom. The clog was further back inside. I thought i had run the pipe cleaners all the way thru, but guess not. Anywho, they be clean now. I made sure by taking a bore lite (a lite made specifically for checking the bore of a firearm) and shined that bad boy into the port and baby.... I SAW THE LIGHT!!!

Thanks again to all who helped. Sorry it took so long to complete the post.

Thanks again guys. You're the best!!

 

Awesome man! Glad to help.

 

I just went through a similar affair. Cleaned my throttle body last fall (wasn't in dire need to be cleaned) and again yesterday. It was still pretty clean yesterday. I took the time be sure that the ports were all clean.

I took off the DPFE and cleaned white solid out of the ports and reinstalled. This did not work, so I replaced the DPFE with a Motorcraft sensor today. Cleared the code at install, but the p0401 code came back this evening.

What is next?

 

Hi, everyone. I'm new to the forum with a '98 Expedition, 5.4L, 160k miles. I've followed the treads and searched, but can't find the link to "Cleaning the TB" that's mentioned above. Is there anyone who might have the link to this or any link for steps to removing and cleaning. Thanks ~Rounder!

 

https://www.f150online.com/forums/ar...ttle-body.html

 

Thanks, jethat!