5% Fuel in the Engine Oil - from oil analysis - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 11-15-2007, 12:23 PM Thread Starter
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Exclamation 5% Fuel in the Engine Oil - from oil analysis

I sent in an oil sample for the first time. It had been 6,000 miles since the oil change at the dealer. It was Motorcraft 15W-40. My first oil change since purchasing this truck used from a Ford dealer. Well, I got a call from the oil analysis lab, and obviously, he didn't have a lot of good news.

First off, he said I had 5.5% fuel dilution in the motor oil. I told him that I idled the engine a lot, and he acted like 2% fuel dilution is common for 6.0L Powerstrokes, but not 5.5. And while Ford claims that up to 8% dilution is okay (According to the lab) but he finds that 8% is obviously very bad news.

So did I do this idling the engine a lot? He says that this amount of fuel brings the oil down to around 10W-30. Do I have a bad injector?

The other thing is there was some silicon, but when he asked me if I used silicone sealant for the oil filter, I had no clue (I have never changed it). He acted like I should check the air filter, too, but it was new 6,000 miles ago, I believe.

He said the wear looks good, but maybe the fuel diluted signs of engine wear!
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post #2 of 13 Old 11-19-2007, 10:38 AM Thread Starter
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Anyone had fuel in the oil? Warranty

You think it's covered by the warranty?

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post #3 of 13 Old 11-19-2007, 10:40 AM
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How many miles on the truck?

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post #4 of 13 Old 11-19-2007, 11:03 AM Thread Starter
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Sorry, I should have said. I bought it used with 79,000 in February. It now has just 85,000 miles. I think it's still covered for certain engine components, hopefully like an injector seal or something.

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post #5 of 13 Old 11-19-2007, 11:06 AM
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yup your engine warranty should still be good. with a $100 dollar deductible

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post #6 of 13 Old 11-19-2007, 01:44 PM
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I have a 2005 F250 6.0 and I changed my oil (for the first time,I bought the truck back in August,used.)today,The oil smelled like it had fuel in it , although I don't know the percentage.The truck has 77200 miles.This is my first diesel.
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post #7 of 13 Old 11-19-2007, 04:18 PM
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Two questions about how you took your oil sample. Did you take it hot and did you take it midstream? If you took it cold it will always show a high percentage of fuel dilution.

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post #8 of 13 Old 11-19-2007, 04:31 PM
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oil test

Quote:
Originally Posted by abovetec View Post
I sent in an oil sample for the first time. It had been 6,000 miles since the oil change at the dealer. It was Motorcraft 15W-40. My first oil change since purchasing this truck used from a Ford dealer. Well, I got a call from the oil analysis lab, and obviously, he didn't have a lot of good news.

First off, he said I had 5.5% fuel dilution in the motor oil. I told him that I idled the engine a lot, and he acted like 2% fuel dilution is common for 6.0L Powerstrokes, but not 5.5. And while Ford claims that up to 8% dilution is okay (According to the lab) but he finds that 8% is obviously very bad news.

So did I do this idling the engine a lot? He says that this amount of fuel brings the oil down to around 10W-30. Do I have a bad injector?

The other thing is there was some silicon, but when he asked me if I used silicone sealant for the oil filter, I had no clue (I have never changed it). He acted like I should check the air filter, too, but it was new 6,000 miles ago, I believe.

He said the wear looks good, but maybe the fuel diluted signs of engine wear!
Ive been over this before, oil tests are good for one thing, scaring the hell out of owners. An engine runs on fuel, it will naturally be in the oil along with everything from umpa loompas to flying monkeys! It is an internal combustion engine. When you need to start getting worried is when you can actually tell something is wrong with the way it runs or acts! Trust me you are ok! Let the storm of crap start coming from our oil sponser!
post #9 of 13 Old 11-19-2007, 04:38 PM
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Quote:
Originally Posted by Stroketech View Post
Ive been over this before, oil tests are good for one thing, scaring the hell out of owners. An engine runs on fuel, it will naturally be in the oil along with everything from umpa loompas to flying monkeys! It is an internal combustion engine. When you need to start getting worried is when you can actually tell something is wrong with the way it runs or acts! Trust me you are ok! Let the storm of crap start coming from our oil sponser!

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post #10 of 13 Old 11-19-2007, 04:39 PM
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Yah, I read another member that was freaking cause of a high fuel content -- but it came down to he drives the truck short distances quite often and it doesn't completely warm up

Also, 6K miles might be too long of an interval and it all depends on how you took the sample...
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