blowing black oil out of tail pipe - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 01-28-2014, 10:27 AM Thread Starter
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blowing black oil out of tail pipe

What could be the problem ive got black oil coming out of tail pipe. Back in march I had to replace both turbos but the oil was clear were it through the dpf any help would be appreciated
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post #2 of 8 Old 01-28-2014, 10:32 AM
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If your oil is low then I would say you blew a seal in the turbo.


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post #3 of 8 Old 01-28-2014, 10:52 AM
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This is an extremely common problem with a clogged dpf symptom. If you do not get your dpf deleted or replaced you are going to get the flamethrower issue with catastrophic engine damage. May I ask how many miles your truck has or how many miles since the last dpf replacement? If you don't do something about your DPF this could happen during regen:

EDIT: The "oil" you are seeing could possibly be diesel fuel. The regneration process uses diesel fuel to burn the soot/ash in the DPF and if it is clogged enough, it might not be burning efficiently and allowing diesel fuel to seep through the black soot caked DPF filter, making the fuel black and oil-like. Turbos are not a common 6.4 problem and I highly doubt that is your problem, but a cracked piston ring is one I have witnessed on several other threads. In order to make a diagnosis we need to know the condition of your DPF though

Luke

97 F250 CCSB 4 inch straight pipe, 6637 intake, TS 6 pos (daily)

08 F350 6.4 Reg Cab flatbed Spartan tuned, AFE Intake, DPF/DOC Delete(work truck)

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Last edited by luke7.3; 01-28-2014 at 11:11 AM.
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post #4 of 8 Old 01-28-2014, 11:27 AM Thread Starter
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it's got 104,000 miles never had the dpf replaced it's been going into regen every 50 miles for about the last mouth or so
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post #5 of 8 Old 01-28-2014, 11:39 AM
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Quote:
Originally Posted by sandrock1 View Post
If your oil is low then I would say you blew a seal in the turbo.


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^^ this would be my guess

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post #6 of 8 Old 01-28-2014, 11:40 AM Thread Starter
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blowing black oil ou tail pipe

When the turbos went down back in march it blowed a lot of oil through the dpf
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post #7 of 8 Old 01-28-2014, 01:56 PM
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Then, the current problem may be a turbo seal.
However, you have the problem of your turbos contiunously failing. When your engine goes into regeneration (Cleaning exhaust filter on the instrument panel screen) it raises the exhaust temperature thousands of degrees by the use of flaming diesel fuel, which goes through your turbo into the exhaust and through the DPF. The reason your turbos keep failing is because of constant backpressure from a clogged DPF triggering the sensor to tell the engine to keep regenerating.
The excessive regeneration will fry your turbos and blow seals. And eventually cause catastrophic engine damage.
I know this guy and his videos are not liked much on these forums but he is a powerstroke expert and you need to watch this video.
The truck in this video experienced the same problems as you and ended up needing a new engine!

Your DPF needs replaced every 60-100,000 miles, yours is clogged and needs deleted, cleaned, or repaced.
Deletion costs the same as replacement, yet it eliminates the need to replace in the future. It also elminates the chance of catastrophic engine damage due to regneration and it will keep you from having to buy new turbos (but your current ones need fixed now).
I get all my performance parts and got my dpf delete with Spartan tuner from www.rivercitydiesel.com . Very nice guys, fast shipping, good customer service. Give them a call and they'll tell you everything you need to know.

Luke

97 F250 CCSB 4 inch straight pipe, 6637 intake, TS 6 pos (daily)

08 F350 6.4 Reg Cab flatbed Spartan tuned, AFE Intake, DPF/DOC Delete(work truck)

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Last edited by luke7.3; 01-28-2014 at 03:47 PM.
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post #8 of 8 Old 01-28-2014, 08:50 PM Thread Starter
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ok thanks for the help
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