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Old 09-14-2013, 07:08 PM
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Could an Injector Do This?

Hi All,

Recently purchased an 08 F350 CCSB with the help of a few members here as it was an out of town purchase for me. Just finished the 800km (500mile) drive home and was largely without issue.

Background on the truck is a 1 owner, hwy driving rig. really clean but the owner told me it smoked 'sometimes'. It is DFP deleted, mini maxx tuned, turbo back exhaust.
Well, I fly in and take her for a rip. It smokes alright... Holy cow does it ever. Like I cant drive it bad.. Blue gray and smells of oil. Seller says it did this a year ago and he replaced a compete bank of injectors. Im standing there thinking turbo seal, as it really smoked bad at idle and taking your foot off on the road. No codes showing so I figure the price was sweet and off I go.

Get to my pop's place and change out oil and fuel filters before the drive home. Everything looks good, filters are clean, coolant looks good, no leaks, and OASIS was super clean to boot.
Fire her up in the AM (cold) and its white smoke everywhere! Smells like diesel, sounds like marbles in a blender and throws p0266 and p0302 (misfire) on cyl #2.

I shut if off, scratch my head and restart. Purrs like a kitty.. So off I go across the rocky mountains.

Its hazing pretty good down the hwy, and its got a bluish tinge.. I'm still thinking turbo seal and that #2 injector needs to be swapped too.
About 4 hrs in to the trip I pull off for a coffee, she starts to buck and kick so I limp it to the gas station and get a java, scratch my legs etc and wonder what now?

10 minute break, turn the key and she fires right up and off I go! No issue, no codes. 2 hrs later its pit stop time and I leave it idling and she starts acting up and tosses the same to misfire codes on cyl #2. OK, so this injector is toast. But, restart and she was fine!

So off I go, running good, and it looks like the smoke show behind me is getting down to almost un-embarrassing. Another hour, another pit stop and start up and she is running sweet.

NO blue smoke what so ever, just a little puff of black when I get on it and she pulls like a freight train. Running like a brand new truck!

I noticed what I assumed was oil in the tail pipe, but when I felt it the consistency was that of diesel. BTW

Running like an absolute champ when I show up at home.

SO, my question is, can the injector cause all of that and then just go back to behaving?

Thanks for reading, all comments appreciated!
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Old 09-15-2013, 06:44 AM
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Thinking maybe slight EGR cooler leak too? Even if the Mini MAxx turns off the function say the valve is stuck and a little coolant can seep through, wash some of that oily mess has to the intake and then out the back. I know Im grasping, but has anyone had a similar situation? Full delete kit on order to be safe..
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Old 09-15-2013, 01:25 PM
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I should add that I was WAY down on oil this morning when I checked (like 5 litres for 800km driving)...so im thinking maybe I will pull the turbos and do that injector.

Any other feedback fellows??!
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Old 09-16-2013, 07:12 AM
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Sounds like a turbo seal to me. Are you losing oil on the dip stick?
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Old 09-16-2013, 08:26 AM
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Yes, losing lots of oil. Was full when I left, down about 5 litres over 800km (500 miles). Im guessing that both sides of the turbo are leaking, drawing oil into the compressor side and then into combustion chamber. Im sure my intercooler is full, so I will be taking that out to be cleaned up too.
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Old 09-16-2013, 08:29 AM
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Yup sounds like oil seals. Yea make sure you clean the intercooler so you don't have a runaway situation.
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Old 09-16-2013, 01:52 PM
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Sounds good. I'm not going to start it until its all sorted. Total potential for runaway.
Thanks for your input.
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Old 09-16-2013, 02:10 PM
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Good luck and keep us posted
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Old 09-19-2013, 08:53 PM
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Well, it's at the shop... Thinking it cracked a piston so compression test coming up.
I'm still thinking it runs to good to be that, but we will see.
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Old 09-20-2013, 06:10 AM
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Dang man I hope its not a cracked piston
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injector, smoke, turbo seal

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