Ford Excursion :: Replaced Injectors Still Running Rough?
Aug 27, 2013
The X 6.0 was running rough at 1700 rpm and cold it barely ran at all. The dealer did full compression test - pass with no issue. Fuel pressure regulator was bad, they replaced it. They also replaced the fuel filter. That didn't work, so back to the dealer and they diagnosed that the injectors were not optimal for about half of the cylinders. The recommendation was to replace the injectors and they gave me their quote...time for some DIY.
So, I dive in; order and install Warren rebuilt stock injectors (new down tubes and dummy plugs as well). I also went ahead and replaced both oil cooler and screen as well as the EGR cooler with an aFE improved design. I also noted the Turbo was throwing oil into the intake so I replaced the turbo with the PowerMax. Additionally, I replaced the FICM with a BulletProof unit set at 53V. Heck, I went ahead and installed an XPD coolant filter system as well.
Got the X back up and running this weekend and she runs nice, smooth and with authority. So far so good.
This morning I start her up, notice that she isn't running as smoothly. I drive and now the X is not running with that real authority (not as much power but she runs) and I note that some roughness is once again apparent at 1700 RPM.
Obviously, all of this work didn't take care of the root of the problem. What else could cause this issue? Will Rev-X take care of it (I'll get some of that ASAP)? How did she run so well for a few miles and now the problem is coming back?
I have the PHP FICM programmer and am looking to install that next but I doubt that will eliminate the root problem. I don't want to get frustrated so I'm trying to approach this systematically.
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My Excursion got 4 new injectors a couple weeks ago and when I got it back, it was running rough. My mechanic told me it was going to take about 100 miles for them to break in.
300 miles later and it is still running rough. So I opened the hood, took a look around and saw this wiring harness unplugged. Where it goes? Youtube video shows where the harness is [URL] ......
Also, my truck has been shaking violently at 50 miles per hour, unless I hit tow haul, then it is moved up to 60... I am assuming its connected some how to that wiring harness being disconnected.
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I have a 2000 excursion 4x4 v10 with 90k. The past few months I've noticed a tug or miss fire at low RPM (2000 AN UNDER) the past week its gotten worse, some occasional rough idol and the missing is getting worse. Whats wrong?? I don't want to take it to ford yet! No Check Engine Light yet...
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So I just had both cats replaced and now the car is running very rough and trowing out mis-fire codes. What could cause this? Going to disconnect the battery to reset the computer to see if that might work.
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I have a 2003 Excursion with the 6.0 power stroke. I recently had a few codes, cylinder 2, 3, and 8 contribution/balance fault. I asked a buddy of mine, and he said I needed new injectors. I replaced them all, properly torqued everything down, and got it running. She ran for 20 minutes before it started missing again. I shut it down, and since then it hasn't started. That was two Sundays ago. Since then, I've replaced the ficm, all fuses related to the ficm and fuel pump, and even went in and checked all the connectors. Everything is in place, but it still won't run.
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So I bought an 04 3 months ago everything seemed good all deltas were good had a small leak nothing serious. I had the egr deleted then i did the mistake of flooring it 1 morning at top end and the mech is telling me threw a valve. The truck was stumbling and running ruff with white smoke. looks like cycl. 7 took a hit and shows 10 psi of compression. The injector are in working order and so are the rockers. the bill is 3500 all in for new gaskets and oil cooler head work, arp studs and labor.
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I have been chasing down what was a perceived vacuum leak...
My Ex (V10, 4x4, 217K miles) started to have an intermittent rough running/no power situation very randomly. No codes on the scanner, and no real apparent cause or condition to pin it down. I noticed what sounded like a like throttle ping...figured it was a vacuum leak someplace in the spaghetti under the hood.
I began to run down the possibilities. I have recently had the entire suspension replaced and upgraded all 4 corners to Power Stop brakes. Figured it might be something related like the classic lines to the hubs.
Replaced the vacuum lines to the hubs - ran OK for a bit, then rough start/idle/no power.
Replaced the vacuum switch for the hubs - ran OK for a bit, then rough start/idle/no power.
Replaced fuel filter - ran OK for a bit, then rough start/idle/no power.
Ordered a new vacuum reservoir...
While waiting on that, changed all 10 plugs and coils. Not. Cheap. Ran OK for a bit, then rough start/idle/no power.
Replaced IAC - ran OK for a bit, then rough start/idle/no power.
As I was getting ready to install the vacuum res, it just croaked. it would turned over like it wanted to start, but wouldn't catch.
Of course.... So, now it had to be towed and yes, the fuel pump puked and that was that. I've never had one do anything but just quit suddenly before, so lesson learned. Evidently these pump can act up for a bit before they die.
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I bought my 2002 Excursion 6.8L about 2yrs ago, no less than a week of having it I started to have all sorts of problems. (insert nagging wife here) the biggest of problems was the darn thing started to run very rough and the ABS light cont to flash, then the truck just died (engine stopped, EXTREMELY scary in a intersection) I replaced the VSS in the rear diff.. acted a little better for a while then..no luck. I called around to every ford dealer in town. I need more break light fluid to there isn't enough grease on my wobbler pin?
So I got the initiative to simplify what I was seeing and hearing. I found that there was an OSS sensor on the tail of the transmission...drove my very intense self up to the dealership and bought myself a new OSS sensor. I got home and replaced it, then I drove my truck under the largest shade tree I could find and replaced all the coils and spark plugs. (Insert bloody knuckles and curse words here) Job Done. I thought to myself if this doesn't fix it then I don't know what to do. (I couldn't sell it)...again the point being...the truck has never ran better, gas mileage has doubled and the true power of the v10 has been restored. I found 4 different types of spark plugs in it and 3 different types of coils...?
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So Friday before last my ex laid down on me while i was headed to work. So I parked it in a walmart parking lot and caught a ride to work with a friend then had it towed home that evening. Problem i was having is it started running really bad, miss firing, smoking, and sounding real rough, but I wasn't getting any trouble codes. So after both uvch's, icp, ipr, icp pigtail, checking fuel for water contamination and pulling my hair out, i decided to check the oil and found it to be 4 quarts low. Talk about feel like a knuckle head.... While it was down it did receive a new water pump, a diesel site 203* thermostat, new billet thermostat housing, Gooch's Radiator Flush Procedure, and some fresh rotella etc.
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I just replaced all 8 injectors in my 01 F550 with remans from FFD. I have noticed a constant knock at idle but truck runs great. Blowby has no pressure behind it, truck does not smoke. Does this sound like a problem unrelated to an injector?
It did not make this noise before replacing the injectors
[URL] .....
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When I first start my excursion in the morning, it starts fine, idles fine. If I don't let it sit for about 5mins plus i have this issue. I will start off and it has no power at all. I can barely get up to 20mph. It doesn't seem to want to change gears, I don't hear the turbo spool up. Then all of a sudden it will go to next gear, turbo spools up and it has power again. It is like I said a 6.0 power stroke, its a 2004 excursion with 214k miles.
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I have two issues with my 2000 6.8L gas excursion. Neither seem to be causing any harm...
1st issue - While its raining, or even just really humid, on a cold startup, my truck runs rough. it almost feels like it wants to die, but doesn't. After about a 1000 feet down the road, it runs normal.
2nd issue - I've started noticing that almost always, I here a whirring type of sound coming from the back. It is not from the brakes, as they are new and the sound is best heard at a complete stop. The sound lasts for about 3 seconds and then repeats after a few more seconds. At first I thought it was the coolant circulating through the pipes that run to the rear heater unit, since the sound sounds a lot like fluid flowing through a pipe. However, my coolant level is normal and the system is tight and I have not had to add any since the only major overhaul in January. At idle, the engine sounds like it isn't idling at a constant rpm, but more like a slight up and down in rpm, but the amount is so slight, it doesn't register on the tach. The only other thing that comes to mind is the fuel pump. Is this sound a sound of imminent failure of the fuel pump? Or is it normal? The truck otherwise runs great at any speed and pulls my boat as well as I would expect it to.
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The X has been running great, well good enough, lately with no issues. I left work the other morning, and apparently the X didn't want to wake up that early. As soon as I started it up, the check engine light came on and it was running like crap. Had a bad hesitation all the way home. It feels like it is misfiring, but only under load. It doesn't do it if I brake torque it or Rev it up. Only while driving.
The codes I am getting are in the P035x family (typed that way for future searches). P0353 and P0358 are the codes I am getting (along with 4x4 codes for the vacuum solenoid...but that's the solution to other problems not relevant to this!). Being codes for the primary circuit, I popped the hood and checked out the connectors. Both connectors are fine, and tightly connected. I did notice however that cylinders 3 and 8 have other than OEM coil packs on them. These are the only 2 cylinders with those coil packs (they are white and the other 8 cylinders have black coils).
I don't want to just throw parts at it, and I'm not getting a hard miss fire code, just the 2 above. I might try to swap the coils with other cylinders tonight and see if the codes move to those cylinders. It has run like this a few times, but never set a code, and turning it off and back on has "fixed"this in the past.
And just for complete disclosure, while looking for where I saved a password, I found notes from August last year where I pulled codes, and these two codes were present then, with a cylinder 7 hard miss fire code. I replaced the c7 coil with motorcraft cleared the codes, and P0353 and P0358 went away and I haven't seen them since. The plugs are brand new and only have about 1000 miles on them (changed them in September when repairing the misfire and I don't drive it much).
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Just replaced all hpop orings. Injectors loud after start up at idle. Guessing air in lines. How long do I need to drive before all air out of lines and everything back to normal?
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I have a 2004 Excursion with a 6.0 Bought the truck already studded, EGR deleted, and a 54V FICM. When I bought the truck it had a hot stall, no restart problem. Found the high pressure oil leaks and resealed them by replacing the #3 injector and replacing the top injector seal in the #4 .Oil pressure reads very good now and I drove the truck for a couple weeks problem free.
Truck started smoking (white to gray) and felt like it had a miss. No misfire or contribution codes. Truck failed the bubble test and I narrowed the leak down to the passenger side by removing the banjo bolt
Banjo bolt at the front of the passenger head
Found the #3 injector loose...the copper washer
Copper washer had disintegrated/melted and appeared to be stuck to the side of the injector. Scraped off easily enough, cleaned up the injector and injector cup and reinstalled the injector with new O-rings and copper washer.
Put the truck back together and still smoked the same and still felt like it had a miss. Ran KOER test and found sometimes a contribution code for #2 and sometimes #6 .
Drove the truck to work and it didn't feel down on power...mostly just smoked and rough idle...but on the way home there was a lack of power and just as I pulled into my driveway the truck stalled...wouldn't restart. FICM voltage was good, high pressure oil read over 900, IPR was holding around 40%.
Pulled the secondary fuel cap
Secondary fuel cap to run another bubble test...there was no fuel in it...completely empty. Started to think that I had a fuel feed problem. Hooked up a fuel pressure gauge
Fuel pressure gauge and drove the truck again...pressure wasn't great (45 lbs) but never dropped below 42...not even when it stalled. Pulled the cap again...dry again...yet the truck read fuel pressure.
Research showed that I was possibly pressurizing the fuel system with combustion pressure and that was possibly displacing the fuel from the fuel system. This would explain the run for a few minutes, then stall and no restart for a few minutes...I'm assuming that the pressure would bleed off and the fuel pump would start over.
Still failing the bubble test and still pointing to the passenger side. I pulled and recleaned the injector and cup...new orings
oRings and copper washer. Bubble test again...fail.
Pulled glow plug from #3 , failed bubble test still.
Pulled glow plug from #1 , failed.
Pulled #5 , failed...pulled #7 ...failed.
With no glow plugs in the passenger head I am still bubbling up to the fuel filter housing. Pulled the banjo bolt from the front of the drivers side head...no more bubbles.
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I have an 03 X with 225k on it. I put 8 new injectors in it because I was leaking fuel into the engine oil. I got them from dieselogic from ebay in Jacksonville FL. 4 of those were leaking and they warrantied them. Then 2 of them were getting contribution codes and they would not warranty them because they said I had fuel contamination. They did not send them back to me either. I got 2 more from advance auto parts. They were working fine. For a little while. So now here is where the problem is. I was getting a cylinder 1 contribution code. So I swapped cylinder 1 and cylinder 3 injectors. That code is gone now.
Now I have cylinder 4 contribution code. I swapped 4 and 6. Still have cylinder 4 code. When the engine is cold it runs perfect. When I drive it for about a mile or so and come to a stop sign it's still running perfectly. While I'm at the stop sign it's like someone flipping a switch and then the misfiring starts. And no codes until the "switch" is flipped. Ficm measures 48 to 48.5 at all times. I don't see any chafing of wires. And I forgot to mention that I had a leaking fuel into the oil again. Ran another dye test but did not see any signs of leaks this time. But that was after I swapped injectors around. Could have been leaking from the orings. I can't can't figure out this misfire. So I was thinking compression test next but why does it run fine when cold?
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I have an 86 F150 that is idling rough. It used to cut out on me until I replaced the fuel pressure regulator. I have read in other posts that the problem for my rough idle could be leaking injectors. When I replaced the regulator I found a bad injector. My question is that if I check my fuel pressure, with the new regulator, would the only way I would lose pressure be that my injectors are leaking?
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Engine felt like it was running out fuel, injectors were clacking. I got home put on AE and it has a low high open on the code reading. took valve cover off and plug came out. I did the quarter modification.
Anyway took the truck out a few days later truck drove ok when cold then after about an hour it lost power again and started clacking until it died out. I had to stop and let it cool off about 10 times before i made it home. I changed ICP sensor. took it out for ride and about ten minutes later same thing. I have to let oil temp get down to 165 before i can drive it again.
When i first drive it Icp pressure is about 500 at idle and 2650 at full throttle, that is until it starts clacking again and losing power then the engine wont take any throttle..and ICP duty cycle is at 26%... Would bad IPR do this??
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Replaced o-rings, injector cups, glow plugs and UVCH with all motorcraft parts 2 years ago and the ICP, IPR and resealed the HPOP last year. I use rotella 15W-40 oil. It has been hard to start when it is cold and runs rough with little power until warm for a few seasons now when it is cold outside. There are no fault codes or issues otherwise with the mostly stock truck. A buzz test when the engine is cold only #6 sounds strong and #8 isn't quite as bad as the others but the others are hardly audible.
Cause:
1) Can 6 to 7 injectors really go bad in 165k miles? If it is injectors I believe the Alliant look to be the way to go with type ADs?
2) Since it is like flipping a switch and the number of injectors effected is it possibly the 0.1% of the time it is the IDM when there is a miss and no SES. From my searching and swampdiesel if there is a miss and no SES it is 99.9% it is not the IDM or harness since it actively checks continuity.
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Today I had to replace both batteries and now my ABS light is on. Before replacing the batteries I was installing a XM satellite system and my dash face plate was removed to make installation easier. After putting everything back together and connecting the new batteries the light is on. Tomorrow I will see if any codes come up using my Scangauge II otherwise I'll have to go to the parts store to have them pulled.
This is on an 04 Ex, Limited, 4x4, 6.0 PSD......
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I have a 99 excursion and it has me confused. I had the transmission replaced in it about 3 weeks ago. I parked it about a week ago and it was idling fine I turned it off and now it won't crank over. I have already replaced the starter and the starter solenoid. A friend suggested that there might be an engine ground strap in the area of the transmission that became loose with the recent transmission swap. (I had a shop do the transmission swap so no telling if they did everything perfect) ...
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