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2002 f250 7.3l reman injectors installed trouble shooting please help!!! 240k.

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Old 04-10-2014, 02:36 PM
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Default 2002 f250 7.3l reman injectors installed trouble shooting please help!!! 240k.

Hello all i would like to say thanks for all the advice shared on this site it has helped me save thousands so far.
I am in need of some further advice. i Just replaced all my injectors, glow plugs, vc's, icp, glow plug relay a few days ago. Previously replaced the starter, fuel pump, power steering pump, alternator, new ford transmission and a few other items the past year. Needless to say i am being forced to become a diesel mechanic do to the lack of funds to hire a professional.. But thus far with your help and you tube i have learned so much and have become one with my truck.

So here is my latest concern. After all injectors were installed and purged / hand cranked with glow plugs out, i placed gps back in turned the engine over for 30 seconds 2 times with valve cover harnesses un plugged. connected the harnesses , re charged the batteries and it fired right up, idled rough and smoked a bunch which i read it was to be expected. so i am pretty confident i didn't hydrolock the truck. white smoke cleared up for the most part while in idle but i notice a bit of smoke by the injectors. Is this normal?
i closed it all and drove it for about 2 miles more smoke when i accelerate only and when i really lay into it around 2500rpm a knocking sound and black smoke happens until it shifts into 5th then it smooths out and no more black smoke.
so i figure it will be rough and smoke for up to 50 mi as told, so i head out for a 45 mile trip and when i reach my first incline truck looses power and the coolant reservoir over flows like it is overheating. I also did an oil/filter change, along with fuel filter at the end of the injector install. i notice oil was a few courts low, so i refilled it. i let it cool down for an hour and started it up no problems, some white smoke and rough idle for a minute then i let it run for 20min in idle. no problems, no over heat, no smoke. i went for a test drive again and the same exact thing happened again. after i let it cool , i limped back home after only a couple miles again. i looked at the thermostat and i am pretty sure it is shot . original with 240k on it so i am going to replace that along with the sensor and with crossed fingers hope this is the issue. any advice would be greatly appreciated.
so to sum up. i still have a good amount of white smoke mostly when i accelerate?
Black smoke and a knock when i get around 2.5k rpm?
loss of power on any incline which results in stall and coolant overflow?
Possible problems?
bad sensor and thermostat (I hope)
Possible injector not seated correctly or pinched seal when installed? If so how can i diagnose without removing every injector?
cracked injector sleeve ? I hope not how do i test for this?
timing needs to be adjusted do to the new injectors? Don't know how to do this.
Cracked or blown head gasket? I don't think so no sign of mixing fluids and smoke seems more like fuel or oil in the exhaust. how can i rule this out?
Possible turbo going bad? Not sure but i read that when the turn starts to go smoke starts.

sorry for being so wordy but i know the more info i give the better i can be helped to get back on the road again.

---AutoMerged DoublePost---

ok got new thermostat installed and started it right up let it idle for about 5 min no problems. i am noticing smoke from the the both valve covers . one when i remove the oil cap and the other is coming from the deal that attaches to the top of the valve cover and the air filter.? also my new ice sensor i leaking oil if i go to tighten it any more it just spins free for one turn and then snugs up and any extra force breaks free again and then snugs up. I don't know what to do?

---AutoMerged DoublePost---

ok just got back from test drive. No over heat.
drove it like i stole it for about 4 miles getting up to 60mpg no more black smoke or knocking sound when punched
now for the still bad almost no power on incline, and a continuing cloud of grayish smoke when i accelerate. How long should i expect to see this smoke?
last od light flashed on me for a few and then went off, and check engine light comes on and off .
please if any one can help me trouble shoot this it would be greatly appreciated.
 

Last edited by zebulun; 04-10-2014 at 02:36 PM. Reason: Automerged Doublepost
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Old 04-15-2014, 12:49 PM
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Default how come i don't have any responses???????

I posted a few post and it looks like i have a lot of view but not a single reply? Do i need to pay for a subscription to receive replies from others?

Current status of the truck- I pulled all the injectors to inspect the orings and copper washers and all are good. while doing so i noticed coolant coming through a injector cup because the new thermostat and overflow resivour holds pressure again. so it looks like i am going to be replacing the injector sleeves. I don't think this is the cause of all the oil i am burning though. is it possible to install the injectors to the 120 per inch torque but not be all the way seated in the injector cup???? Doesn't seem possible to me.
Please respond if you read this even if you don't have advice i just want to know it is working. thanks.
 
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Old 04-15-2014, 04:59 PM
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I feel for ya.i just got my first diesel on a trade i havnt even went to pick it up yet.iv always been a gasser guy til i rode in my buddies cummins.my other buddy does truck pulls with his daily driver 2001 cummins.he pulled #47000 at 275 feet.he claims almost 600 horse.its a fun ride
 




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