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It's been about 5,000 miles since I changed my oil, and much to my surprise the level is about 1/2" over the full mark. Haven't checked it in at least few weeks, and last I remember it was right at the full mark.
Up until now I was certain that fuel dilution had everything to do with driving conditions, but now I'm not sure. My truck almost never idles, and the majority of my use is highway miles. I drive about 1,500 miles per month, and other than a few short trips per week for coffee, my shortest drive is 6 miles at 70 MPH. I've ordered a Blackstone test kit, and I'll be sending off a sample for analysis when I get the chance to change it. Here's a shot of my engine hours screen I took this evening:
Wow, you're looking at an OCI over 10k miles. Dang, I'm down around 7,200...but I do a fair amount of city driving.
I've never been overly impressed with the accuracy of the dip sticks. Seems like the process of first removing the stick and cleaning it runs oil up the shaft and makes the actual reading more difficult. I always put mine in the same direction (bumps down) as the angle impacts the level. If I remember correctly, it reads a bit high when spun 180 degrees.
But I think you've done the right thing to order a kit and do an early change. That's cheap insurance. If it was me, I'd have this nagging voice in the back of my head telling me the oil is FUBAR until I swapped it. But I'm so A-retentave on this stuff, I'd probably call in sick the next day just so I could change the oil.
My first thought was that I was reading the level incorrect. I've checked it three different times on three separate days with the truck parked in different spots, all approximately level. All of them about a half hour after shutdown. I'm absolutely certain I didn't overfill when I changed it last.
When I had the oil checked at a Kendall lab on my 2012, it always came back at about 5%, my drive to work is between 7 and 10 miles depending on which way I go, I always assumed that the short drive was responsible, but I too am not so sure, my wife's escape with the two liter ecoboost runs about the same rate of contamination with more than double the commute miles, I try to stay within 5000 OCI with Mobil one full synthetic.
Just looked at my maintenance record, my previous oil change was at 16,986 miles, so I have just over 4,000 miles on this oil, Makes me a bit more concerned. Blackstone kit hasn't shown up yet, and it'll have to wait until next weekend unless it shows up today.
I had three EcoBoost trucks (2012 x2, 2015) and drove a total of about 40K miles......never once had a problem. Must have been lucky.
I dunno...I haven't seen much about this in recent years. My '13 never had an issue, either. I'm gonna withhold judgment until I get an oil analysis back, which won't be for at least a couple weeks. The oil sample kit hasn't arrived yet, and I'm out of town this weekend anyway.
I'm fairly certain I didn't overfill it...but I've been wrong before, and I'll be wrong again. Just wait.
I did three Blackstone reports on my Explorer. Not a turbo, but is a DI engine. Only report I had with fuel was about 2% if I remember correctly and was a heavy idle period. Looking forward to getting your results when they're ready in a few weeks.
I had three different samples tested on two different engines, both ecoboost engines, they were all over 4%, I resigned myself to doing sooner oil changes, around here, Mobil one full synthetic is less expensive than Motorcraft semisynthetic 5w30, no one stocked it in anything but quart bottles, even though there are millions of ecoboost engines around here.
11-08-2016, 07:54 PM
