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ended up with gas in the oil on my eco

Old 05-21-2014, 12:51 PM
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Originally Posted by SkiSmuggs
I suspect that a 15 or 20 mile drive would cause that gas to evaporate and I also suspect those who do mostly short trips (under 5 miles) are more likely to have the problem since the engines don't get hot enough for long enough to evaporate it.
I usually take mine for a drive of about 5 miles before I change the oil so I don't get the smell when you pull the plug. Gives it time to evaporate. If I drive right in can smell fuel.
Old 05-22-2014, 10:45 AM
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Dealer changed the oil and asked me to stop in after 1000 miles to check it. They said oil level was a quart higher than what it should be from the gas in the oil.

Pretty much a wait and see type situation.
Old 05-22-2014, 11:57 AM
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Originally Posted by modru2004
Dealer changed the oil and asked me to stop in after 1000 miles to check it. They said oil level was a quart higher than what it should be from the gas in the oil.

Pretty much a wait and see type situation.
Holy moley! A quart of gas added to 6 quarts of oil will really thin things out. I would check it frequently. Are you just doing short trips?
Old 05-22-2014, 01:42 PM
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Originally Posted by SkiSmuggs
Holy moley! A quart of gas added to 6 quarts of oil will really thin things out. I would check it frequently. Are you just doing short trips?
I do alot of very short trips yes, I live close to work. That being said I normally have at least 1 longer trip during the week that probably amounts to 30ish minutes of run time when I run a few errands. If this was normal DI dilution I would think that would be enough to evaporate some of the gas.

Also I bought this as a demo truck (new technically) but it had 6000 miles on the odometer. I only had 1500miles on it personally when I found out about the gas in the oil. About 1000 of those miles was done in a two week period a few months ago when I was traveling alot. The rest of the time its short trips to work and errands around town.
Old 01-31-2015, 05:07 PM
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Just wondering what you found out after going back to the dealer?
Old 01-31-2015, 06:12 PM
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I don't know what his dealer said but I had a dealer tell me there wasn't much they could do unless something failed. They could change the oil for me on my dime. They also said they don't go by what an oil analysis says. It was honestly disappointing but not surprising being that I only had about 3k left of warranty coverage. This and a few other issues they couldn't recreate helped me make up my mind on trading it. They also suggested I purchase an extended warranty if I planned to keep it.

I'm waiting to see if the '15 EB has this issue as well.

I drive 60 miles round trip of highway almost everyday to work. I had dual cans that were collecting a crazy amount of gunk. Without the cans, I was able to make it fall on it's face when going WOT after a lot of easy highway driving.
Old 01-31-2015, 06:24 PM
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I change oil and filter at 3500 miles using synthetic blends top grade. Some of this synthetic oil is produced from natural gas to liquid manufacturing then when it vaporizes on the bottoms of the pistons, add gasoline and the oil is nutz. Just me, no proof just a feeling.

Last edited by papa tiger; 01-31-2015 at 06:27 PM.
Old 02-01-2015, 12:27 PM
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If the reading of 7 total quarts removed from the engine as the dealer clammed is correct, that's a 15% increase in volume.

Again if this is true, and further extrapolating a 15% fuel contamination of the oil in the crank case is a serious issue. This isn't a simple change the oil and let us know if you need anything else situation.

Saying that. I would highly suspect the dealer findings.

If anyone got a UOA sample back with 15% fuel contamination, the analysis company would likely call you immediately to notify you. Nothing good can happen with this situation.

However call me suspect of the dealer findings without additional supporting corroborating evidence.

UOA can go a long way in producing scientific sampling that removes any of the ambiguous nature of "the dealer said". They could be right or wrong. If they are right, the issue should be addressed now.

Last edited by joedotmac; 02-01-2015 at 12:29 PM.
Old 02-01-2015, 01:06 PM
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I've come to the conclusion that if someone suspects they have the problem, they need to find out exactly how much oil is in the crankcase. This needs to be done without the dipstick involved. It's causing too many misreads.

...Drain the oil overnight it get everything out.
...put in exactly 6 quarts of oil (ecoboost).
...Drive for 1-2 weeks.
...Check dipstick to see where level is and just note it.
...Drain oil overnight and measure against the 6 quarts you put in. I would refill the exact containers you filled originally with.

I bet their would not be a quart of "water/gas" some have claimed. I would also bet this would show the actual problem is the measurement being taking from the dipstick.
Old 02-01-2015, 05:43 PM
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Right before I sold my EB I drained 7.5 quarts from the crankcase. This was the last straw for me. I feel sorry for whoever bought it. Local dealer was clueless about this and all the other issues I had with that truck.

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