Ford 6.7L Power Stroke Diesel :: Misfire - Smoke - Fuel Injector Supply Line?
Oct 15, 2012
Went to go and start my truck this morning and noticed after it was running that it sounded like a misfire, then i seen the smoke... I shut the truck down and lifted the hood and seen that somehow i had a high pressure fuel injector supply line on the Lh side break off. The line that goes from the fuel rail to the injector port on the valve cover (theres 4 of them on a side). There doesn't seem to be an o-ring or anything on them, they are just pressed over and tighten down.
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I am rebuilding the oil cooler and noticed since its removed I have great access to this fuel line pair from fuel bowl to soft lines below. How these disconnect at the soft lines? I happen to have a new set waiting to be installed. Is there a tool required ?
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My 2005 F-250 does not have power when the engine is cold. When the engine warms up then it seems fine. I believe that the fuel injectors need replacement. I was told that one cannot get new injectors. They are all re-manufactured. Is this correct?
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I may have to replace fuel injector #8 on my 2004 6.0. Aside from doing brakes and rotors, I don't have any experience working on my truck.
Side note- this is the second injector to go bad in the past few months. Ford also wanted to replace the HFCM, so I'll be doing that as well.
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My question is can a cracked injector tip let gases back in the fuel system?
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Couple of years ago I installed a fuel pressure gauge. I wrapped the fittings with teflon tape. Well within about a year it started leaking. So I shopped around and used Permatex Permashield fuel resistant sealant on the fittings. It says diesel resistant on the package. Couple months later leaking again. So I take it apart again, clean every fitting and follow the instructions to the letter. Well its leaking again. What will resist diesel fuel under 55 psi pressure. All the fittings seem to be pipe thread.
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I have 2006 ford f250 6.0 diesel. I was changing the fuel filter on the frame rail and noticed a lot of dirt in the housing . I tried to remove the plug to drain water to see if i could get out some of the dirt. But the bolt just turned and wouldn't come out. It wouldn't tighten either. I went ahead and cleaned as much dirt as i could and changed the filter. How to get the bolt out....... I just bought the truck so i don't have any prior maintenance history...
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no change, changed stand pipe and dummy plug on driver side, no change and guess what? Now I am stuck on the side of the road waiting to give my last $100 to a tow truck! Engine is hydrolocked, fuel pressure is low, starts off at around 20 and works up to 54 with key on engine off, and that is as much as I know from the side of the road with out my AE. Blew white smoke also. Smelled of unburnt diesel. I think it's linked to my rough running issue. Maybe a bad injector? But every time I did the click test they all passed. Idk, I'm gonna remove the glow plugs and see which hole is loaded and with what. . .
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I had to drop my fuel tank and as a result, I replaced the fuel lines from the underbed filter to the tank. After replacing everything, I purged, purged, and purged some more. With much difficulty I was able to get the truck running and it ran good. But, I have trouble restarting the truck anytime I let it sit for a couple of hours. It cranks and cranks and eventually fires, but with much difficulty.
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Ok. I have a 2015 6.7 power stroke and my fuel return line clip keeps falling off. And goes into limp mode. It has happen twice and in come up with code p0088. And I push it back on start the truck and it is fine. But idk why it is doing it
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Ok, finally smelled the smoke and its fuel. Now, it only smokes when idling and in drive! If I put it in park it don't smoke! What in the world is going on?
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2005 PSD 6.0L Excursion ... I suspect that have a fuel leak at the fuel line fittings near the driver side cylinder head. (I believe that it is fuel, since it is so clear, I guess I should collect a few drops and see if it burns vs. coolant.)
It appears to be at the junction of the fuel lines. This is the point where the fluid drops off the tubing and falls down. The clip that holds the two tubes together at the joint is very dirty, the one below them is clean. The tag on the line that is at the joint leaking is part number 3c34-9j338-ag. Is there a o-ring in side the joint? Do I need to replace both hoses of the joint? I can't find any posting of a history of this fuel line leaking.
Or... is it that the joint never fail, and the leak is up tube? I can't see any where it is coming out when viewing it from the top.
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So this morning, I stopped for fuel. My low fuel light had come on yesterday, so I planned on filling it up this morning. Swung through the local Safeway (my usual fill-up haunt) and threw 25 gallons of diesel into my Excursion. Truck started up right away, like always, pulled around in the parking lot, pulled into traffic, then got stopped at a red light. I noticed a slight unevenness in the idle for a couple of seconds, then the light turned green. Pulled out, truck accelerated a bit more labored than usual, and in my passenger's mirror, I looked back and saw some light greyish blue smoke.
The smoke progressively got heavier, power diminished, and I was no longer able to maintain speed with traffic. I pulled off onto a side road, shut the truck down, and scanned for pending codes. Nothing. So I hoped that it was just a gremlin, started the truck again, got tons of the same smoke, really rough, super clattery idle, and the engine wouldn't even accelerate in park. No hint of boost, nothing. So I turned the truck off, called a tow truck, and had her flat bed hauled home.
Background on the truck, roughly 150K miles, changed the fuel filters not too long ago (less than 7K on them), recent-ish oil change, but I was planning one for later this month. Truck is all but stock, only an aftermarket cold side intercooler tube. I recently replaced my EGR valve, less than a year ago, because it was stuck partially open, replaced it and the truck ran great after that.
I've been seeing some scary writeups for similar things, stuff involving cracked pistons, bad rings, engine teardowns, new engines required, things like that. For me, it just seems like a ridiculously convenient coincidence that the problem would happen immediately after refueling the truck. At this point, I'm planning on replacing both fuel filters and doing an oil change as preventive maintenance and as the easiest possible fix, but what else should I be looking at? Some posts suggest FICM, some suggest ICP sensor, some are saying my injectors may be shot.
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I have a may 2003 6.0l f350 4x4 ,autoenginuity scanner, recently bought the truck starts fine and idles well then when engine get warm it starts to smoke unburnt fuel (white) volume of fuel desired on scanner goes from about 14 mm~3 to 27mm~3 and starts to run rough if you depress the acellerator the motor smooths out and the fuel desired goes down. No coolant smell. egr cooler removed ,oil cooler replaced, exhaust back pressure sensor and tube cleaned .ebp sensor koeo 14.2, eo 17 but jumped to 54.0 when map was at 17, bp 31.20 .... The AE is new to me Also found a superchip tuner under the back seat ...
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I replaced the rings on all 8 injectors put in 8 new glow plugs and a relay. My truck is still putting out grey/ white smoke at start up. It goes away after about a minutes. Truck runs a little rough a first then smooths out. I know some smoke after doing a job like this is to be expected but I was thinking I t would go away by now. I've been running through my head what I might of done wrong but I can't think of anything.
Does it just need all new injectors and not just rings ?
2001 f250 7.3
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I filled up at the same fuel station I've filled up at for 6 months, never had a problem. I just bought a 6 liter and put some injector cleaner in on the last fill up. Ever since then, it's been running really rough and missing when cold, and even when it's warm if I really lay into it, it'll pop and sputter. The fuel in water lights been on since I bought it. I think I have a bad sensor, because it was running fine until I put that cleaner in. Since its been running rough I put in new fuel filters and drained the fuel water separator, which only had fuel in it. I don't really know what it could be, but I'm 99% sure it's an injector issue since it started only after I put fuel treatment in.
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I've got an injector #7 misfire, so it looks like I'll be replacing my first stick since the warranty expired.
Does the injector from Ford come with the copper crush washer? Will I need to buy anything else except for the oring kit?
where is injector 7? edit: it looks like number 7 is the farthest back on the passenger side. Great! I get to do the hard side.
AE pics below. I've never understood the Power Balance test, it most always looks the same. Seems to me something should look odd with #7, but I'm just not seeing it. As I shut down each cylinder one at a time, all made the engine run noticeably rougher, except it was only a subtle difference when shutting down #7. So that plus the code pointing at #7 lead me to believe that #7 is my culprit.
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I was driving and my truck started have lack of power, could barely get going on hills, tons of blue smoke (smelled like diesel) real rough idle. I unplugged injectors and found #5 made no difference. I replaced it today and I can't get it to start. It'll get to 2000+ psi 48v ficm, low pressure oil registers, ficm says its in sync. It will crank and blow a lot of black like its half firing or something. It has even crank to, until it tries to fire. From what I've been reading could it be the ficm? That one circuit is fried?
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Occasionally when I'm driving, I'll accelerate and get a brief loss of power, then it'll pick back up, followed by a puff of white/blue smoke. This usually happens when the oil is over 120*, but not quite to full operating temps. It doesn't happen every time either. Only 3 times in the past week. Otherwise, there is a very faint haze of white smoke that seems to be constant. It is very difficult to see unless against a dark background. Oil level is good, I check it once a week, no rising or lowering levels.
I pulled the EGR yesterday, all good, although a tad dirty. Cleaned up no problem. Haven't had a chance to do a bubble test yet. There are some DTCs, but I can't remember off the top of my head what they were. I'm about to go clean the inside of the truck, so I will pull those and update in a few minutes.
Truck has about 148,500 miles.
Torque Pro lists these codes: C1145, P0299, P0677
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Is there a difference between the two harness #'s here besides the first number:
3C3z9d930aa
4C3z9d930aa
Are they the same part? Is one for a different model truck than the other?
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What the size of the internal oring is? So far I have had no luck finding the size. I'm looking for the lower housing to body oring.
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