Lots of oil in turbo and intercooler tubes!! - Diesel Bombers



Ford Powerstroke 99-03 7.3L Discussion of 99-03 7.3 Liter Ford Powerstroke Turbo Diesels

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Old 09-22-2009, 02:25 PM
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Default Lots of oil in turbo and intercooler tubes!!

Removing turbo to change leaking pedestal o-rings and noticed high amount of oil throughout turbo and intercooler tubes... Also have a serious oil leak that I can't locate... Truck is running sluggish... Noticeable power loss and very little turbo boost... Pulled a P084 and a P1284 code.
Last post I was told to check HPOP and IPR... What is the IPR and where is it located??
Thank you very much for your advise...

Last edited by captainwinger; 09-22-2009 at 02:37 PM.
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Old 09-22-2009, 03:03 PM
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Tell us little bit more about your driving habbits and maintenance. Do you let the engine idle a lot? Are you driving a lot stop and go? mileage? Air filters changed and ok? Oil change done within intervals?
Is the turbo oil drain line clean and free of obstacles? Oil Level within normal range?
Do you have any smoke? What colour?
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Old 09-22-2009, 04:17 PM
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OK... Just found injector harness on drivers side almost disconnected.. Probably the performance issue... Still looking for oil leak...
To answer your question, maintenance is pretty much regular and on time.. I do mostly highway miles.. 260k The truck ran absolutely perfect until it suddenly shut down on the interstate one day .. Ended up being crank sensor.. Had changed and ran but never proper... It would surge at idle (only at times) and would suddenly shut down when stopping or at low rpm's.. To keep running after well heated up I would have to power brake.. Once under way it threw the two codes and ran fine but still lacking uphill boost/power again... Probably the harness issue...?? Also had high pitched noise from turbo.. Took intake off to inspect turbo and found that the ding dong that tuned up truck when changing crank sensor somehow let plastic battery mounting block get sucked up into turbo.. Luckily shaft spinning on plastic block was where the noise was coming from.. No damage to fins.. Just plastic dust all through turbo.. Took turbo off trying to fix oil leaks and noticed lots of oil inside and in intercooler tubes.... Trying to figure out where its coming from.. Shaft has just a tiny tiny bit of play and spins normal with no noise..
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Old 09-22-2009, 05:16 PM
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Oil in the IC tubes is normal to an extent, its from the CCV vapors. You can do a CCV mod and vent it to air, which helps keep the Intercooler clean and the turbo boot oil free.

I would check your ICP sensor, (top front of the drivers head) unplug it and check to see if there is oil in the connector. The IPR is just to the left of the ICP sensor, mounted to the bottom of the High pressure oil pump. You can remove it and clean it, rather then replace it.

Good read...

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Old 09-22-2009, 07:19 PM
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Starting to understand the diesel engine... Thanks for all Y'alls help!! I'll check your suggestions in the morn....
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Old 09-28-2009, 03:44 PM
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Yeah mine had quit a bit of oil in the boots and such too. In the process of making a type of catch can and rerouting it back to the intake. I have ran the line off the ccv to the atmosphere but didn't like seeing all the white smoke at idle. just bugged me.
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