that is good info, all the above i have done on my 02 fuel system to stop leaks, the smell on the 95 is strong from the exhaust. I mean it is rich, very little to no smoke, so i am concerned about an injector issue, i do have a plan to replace the stock exh i have a 4 into 5 on my 02, but i dont want the pains so i am getting a 3 in dp for the 95. I sound like a rookie, i am a rookie to working on these trucks, but after 200k miles on 02 i bought it new, I have had no iisues with that truck, and it has not been at the dealship since 05, so i am a rookie sort of.

 

I bet the down pipe has come loose or is coming loose from the turbo . The clamps that hold the DP on there get worn and stretched. Also look to make sure the exhaust is supported underneath well. If the hangers rust through or break most of the weight of the exhaust system will be hanging right off of the Dp and that will cause fit issues. If you have another 7.3 then you know how restrictive the factory flat Dp is and the sooner you can get rid of it the better. So be sure and get a new clamp when you change the DP so it has the best chance of staying put. If you think the truck is running rich it could possibly be the HPOP. If it isnt giving you good pressure then the injectors wont atomize the fuel very well which will result in an inefficient burn on the fuel. Possibly the FPR needs to be cleaned and it isnt regulating the hpo oil properly.

 

I am going to respectfully disagree that the HPOP is causing a rich running condition. If the HPOP is not keeping up with the HPO demands of the injectors you will set a CEL light with a 1211 code. Also, the FPR has nothing to do with the HPO system. The FPR regulates the fuel pressure, and if it is indeed dirty or clogged it could in fact be creating a problem for you. The most common cause of a rich running condition is worn or dirt injectors. Injectors that have a lot of miles on them get worn internally and cannot spray as efficiently as they can new. Instead of spraying a nice fine mist, you get more of a stream of fuel and it doesn't burn as cleanly. I would try running some good quality injector cleaner through the truck for a couple tanks and see where that gets you. Another thing is that I don't know whether your truck has a catalytic converter on it or not, but it is somewhat normal to smell a strong diesel exhaust smell coming from a truck with no cat. If you're not seeing a bunch of smoke, it may be normal.

Are you smelling a burnt diesel smell or a raw (unburned) diesel smell? The raw diesel smell is probably an indicator of a leak in the fuel system somewhere (usually in the valley).

 

Did you get all your hpop/fuel knowledge from the other more qualified powerstroke sites too?? If you don't know, don't answer.

To the op, Nate has you on a much better track here. HPOP has NOTHING to do with the fuel regulator

 

Grrr. Had the same problem when the return line rusted through up front by the engine. I bought a couple sets of those tools and the plastic ones work better for me. I was reading in the shop manual that ford recomends cutting rotted sections of the fuel line out and replacing with sections of rubber hose and wormgear hose clamps. thats what I ended up doing. seems to have worked out ok. no more leak. but I cant help but wonder why the steel fuel line rusted from the inside out? when I thought I would be dropping my tanks I hooked up a 1/2 hp electric oil pump I use for servicing chillers to the supply line and pumped the entire contents of both tanks into a 55 galon drum in about 5 or 6 minutes.

 

"If the HPOP is not keeping up with the HPO demands of the injectors you will set a CEL light with a 1211 code. "

It will after a certain period of time of not keeping up with the injectors.

"Also, the FPR has nothing to do with the HPO system."

I apologize, I meant to say IPR. The FPR could be over fueling the motor if someone has been messing with it.

"Did you get all your hpop/fuel knowledge from the other more qualified powerstroke sites too?? If you don't know, don't answer.

To the op, Nate has you on a much better track here. HPOP has NOTHING to do with the fuel regulator "

It's really killing you that there are other sites out there that deal these motors isnt it?

 

So as I said, the HPOP has nothing to do with the fueling of the truck or it smelling rich at idle. It pumps oil, it isn't an injector pump on an IDI.

The FPR cannot "overfuel" the motor. The injectors control the fueling. If the FPR is shimmed too far, the only thing you will really see is that you will be replacing the fuel pump more often because it is trying to maintain too high a fuel pressure in the fuel system.

The way the HEUI system on these trucks is designed the fueling rate is determined by the injectors and the pulse width of the signal being sent to the injectors by the PCM. The HPOP and the FPR just supply the injectors with the needed fuel and HP oil.

I think what people tend to take offense to is when someone comes in here and talks trash about this site like the good folks here know less about these engines than the people on other sites. I ahve been on the other sites too, and I keep coming back here to FTE in large part because of people with attitudes of superiority like you are displaying here. Add to that the fact that you are passing out incorrect information and potentially steering people in the wrong direction, and yes, we do tend to get a little cranky. I really don't get off on busting people's ba11s man, anybody on here that knows me will verify that, but you can't come in here and talk trash about this place and then give out bad info. That just doesn't fly.

 

^^^^^That about covers it. Thanks Nate.

 

DIY, I do smell burnt fuel, after running and when the start up smoke has cleared, then the rich burnt smell can get bad, just barely can see some smoke from tail pipe, no cat...but here is what I do have,, it appears that the upfitter or who ever put this dump body on, had to run the exh to the outside of the frame, very restrictive bends, and reduced pipe dia from the dp into muff. here are a few things ,,,,what fuel pressure should i have, what can i use to clean the injectors, could i use this cleaner stright like in the fuel bowl or in the tank, replacing the dp is on the list, but i need to make sure this truck is not going to be a money pit first, or i will cut loss and get rid of it.

 

So when was I ever talking trash about the site? I havent ever heard anybody bag on this site anywhere else. I hear people at FTE talk about other sites even the mods. They claim there is a bunch of abusive behavior going on elsewhere to newbies, but , I have never been treated that way anywhere, but , here.

 

Sailor, you keep saying it smells rich , but , you dont see any smoke or much smoke. If there was a fuel issue of not getting burnt or too much fuel you would be seeing smoke. I think you probably just have a bad exhaust leak thats getting in the cab.

 

The hpop has to do with the quality if the burn of fuel. Like I said atomization. If it isnt atomizing the fuel properly it cant burn as well. These trucks have a PCM and an IDM. The IDM is what drives the inj's not the PCM. If the fuel pressure has to nothing to do with the way these trucks run then why does it need to be increased with bigger sticks? According to what you are saying all the fuel and oil the engine will ever need is already there right?

 

Like maybe up pipes gaskets leaking, maybe that was mentioned, I don't know. Fuel pressure should be 50-70psi, I run my electric fuel at 70 psi. If I want to clean the injectors I remove the filter and fill it with diesel clean. I'll run it for a few minutes, shut it off thirty minutes or so then run the crap out it.

 

Bruno2, I should have mentioned this, I dont smell it inside, it is outside the cab, not under the hood, like a fuel leak.....Also, thank you very much for any help, any of the guys I will call "THE TEAM" thanks for their help or input. Hey man, I have been around, after owning 3 buick grand nationals, modded 93 chevy 454SS truck, 2 '95 vettes, a brand new blck'96 Impala SS, a new 02 CC,PSD, and several big block buick gran sports, I have been around trash talk, most of my life-participated in it too, I do not feel that here, just looking for some info, a site like this can make me lazy, all I have to do is just ask the black box....and will answer me.

 

Fuel pressure doesn't increase with more power, more volume is needed, not pressure. The hpop and fuel pump are two seperate entities, one feeds oil, one fuel like we all know. If the hpop is not keeping up there will be codes set like mentioned. Fuel system won't set a code. I'm not going to argue with you anymore, just don't be posting false information.