Please look at my oil analysis result
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Yet? After 91,000 miles? lolPerhaps the rings haven't quite seated yet. Maybe another test after 5000 more or never ( what I don't know won't hurt me ) and see if it improves.
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623 Posts
Like they said in the comments: dont worry about it, just do another test and see what that shows.
"lt may be the result of short trips so we
aren't sold on the idea of a fuel system issue"
I can assure you that you do a ton of short trips so..... relax youre fine
"lt may be the result of short trips so we
aren't sold on the idea of a fuel system issue"
I can assure you that you do a ton of short trips so..... relax youre fine
Despite 5,000 miles, a lot of short trips, and excessive idling, they considered the oil good enough for even 7,000 miles next time. Wow, Mobil 1 is good. It's tempting to go over 5,000 miles next time lol
Almost 95,000 miles, it's not new anymore LOL. 95,000 hard miles
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1,116 Posts
I recall my poor Prius (which I should never has sold) marched on to 131K miles without a single unscheduled maintenance visit, and delivered 53 mpg, which means the engine wasn't in too bad a shape.
My first test, and it costs $30
Reasonable price. I suppose ya never know but those results might not change much another 50,000 down the road. The rest of us, well me at least are totally ignorant of what we might see on this test.
I'd rather not know i suppose, but I might change my mind in the future.
I'd rather not know i suppose, but I might change my mind in the future.
the motor is direct injection and fuel dilution is typical. It is VERY important to have frequent oil changes with a DI motor, for this very reason. Another reason why you should never wait 10k miles for an oil change. On top of frequent oil changes, you need to periodically run fuel system cleaner. DI motors get dirty valves and pistons VERY quickly. I highly recommend chevron techron fuel sys cleaner or berryman b-12. Just run a can every couple of months. With a DI motor, this will keep everything nice and clean. the 2% dilution isn't a problem GIVEN you are changing your oil often.
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367 Posts
this particular Toyota engine is both DI and port inject, so there is no reason to run an induction cleaning on it, and most fuel system "cleaners" are a scam, since they don't really do much(gasoline is a very strong solvent on its own), and if you are getting good top tier gas, you won't have any crap in your fuel or buildup unless something is very wrong.
the motor itself shuts off pretty aggressively on its own, the van is a hybrid, and the engine doesn't need to be running unless its needed for heat when sitting stationary.
as far as fuel dilution goes, I run my oil 10k miles. I had it tested at 40k, and it was low fuel dilution. I also run my van about 400 miles a day on the highway, so the engine gets nice and hot, and cooks all the fuel out, so im not worried about fuel dilution or running the oil 10k miles, since I am using amsoil. I think im gonna get a test kit and send off my next oil change for the 180k oil change, as I just changed it at 170k, and it smelled pretty strongly of gas, but that was likely because it was a short trip home and it was a lot of on/off due to being cold here.
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367 Posts
yes, its likely short trips. if it gets worse, just change you oil sooner. since I run 90% highway miles all day, my engine gets nice and hot, and doesn't have fuel dilution issues. my wife's hihy tho, I pulled the drainplug on it and it smelled like a opened a gas can, and my vans 170k oil change also smelled pretty heavily of gas too, though I attribute that to the short trip and the on/off nature of my drive home. im gonna order a testkit and send it off for my 180k oil change, which should be around mid february, since I Just changed it last week.
do your research on the brands I mentioned, I can promise you, they are not "scams".
Do you think I should switch to fancy oils like Amsoil Singature Series and Pennzoil Uk
Ultra Platinum? I am pretty religious when it comes to oil changes. I changed the oil every 5 weeks and 5,000 miles
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367 Posts
again, gasoline is a strong solvent, and the stuff in those little bottles is not gonna make it stronger, nor will it dissolve anything that the gasoline would not already dissolve. Gasoline was originally used as a solvent and was a byproduct of making diesel fuel and heavier fuels. In fact, it was also used as Lamp/lander fuel before it was used in cars, and was sold as "whte gas". Its also called coleman lantern fuel. there is nothing you can add to gasoline that will dissolve anything more.
Fuel System Cleaners - Fact Or Fiction
We’ve tested a bunch of pour-in fuel additives in Fact or Fiction over the years. Can you really blame us? With all their promises of horsepower and torque incr
They don't work like they claim, and would need to be so strong in order to function as described that they would harm you car's emissions systems badly. and they legally cannot be sold that strong due to environmental regulations, and the fact that they would likely dissolve the plastic bottle they are in. Even seafoam, which is good stuff, is more or less just another gimmick that really doesn't do much in the concentration that its sold in(this is also why you need to "hot soak" your engine with it for it to actually work properly).
secondly, in the new siennas case, its both DI, and PI. The port injectors will keep the valve top's from getting carboned up, so you should really never need an induction cleaning service at all, and if the DI injectors are "clogging", it means that there is poor combustion happening, which would have a root cause that you would want to figure out, but the main reason for poor combustion is usually crappy gas, and at that point, because of the way the injectors work, you cannot clean them without fully disassembling them and putting them in an ultrasonic cleaner. if it can't push it out the holes, its not gonna come out no matter what you throw in there. those little bottles of "mechanic in a can" shit have been mostly snakeoil for decades. its an easy upsell for a shop to charge you $50 for an "injector cleaning" when all they do is dump a bottle of mystery fluid in your gas that cost them $3, and that is basically like a drop of piss in the ocean in concentration in your gas, which is already a very strong solvent.
Car Care Nut on YouTube says that we don't need these fuel cleaners. Says just drive your car as if you stole it on the highway, and it should burn off everythingagain, gasoline is a strong solvent, and the stuff in those little bottles is not gonna make it stronger, nor will it dissolve anything that the gasoline would not already dissolve. Gasoline was originally used as a solvent and was a byproduct of making diesel fuel and heavier fuels. In fact, it was also used as Lamp/lander fuel before it was used in cars, and was sold as "whte gas". Its also called coleman lantern fuel. there is nothing you can add to gasoline that will dissolve anything more.
Fuel System Cleaners - Fact Or Fiction
We’ve tested a bunch of pour-in fuel additives in Fact or Fiction over the years. Can you really blame us? With all their promises of horsepower and torque incrwww.motortrend.com
They don't work like they claim, and would need to be so strong in order to function as described that they would harm you car's emissions systems badly. and they legally cannot be sold that strong due to environmental regulations, and the fact that they would likely dissolve the plastic bottle they are in. Even seafoam, which is good stuff, is more or less just another gimmick that really doesn't do much in the concentration that its sold in(this is also why you need to "hot soak" your engine with it for it to actually work properly).
secondly, in the new siennas case, its both DI, and PI. The port injectors will keep the valve top's from getting carboned up, so you should really never need an induction cleaning service at all, and if the DI injectors are "clogging", it means that there is poor combustion happening, which would have a root cause that you would want to figure out, but the main reason for poor combustion is usually crappy gas, and at that point, because of the way the injectors work, you cannot clean them without fully disassembling them and putting them in an ultrasonic cleaner. if it can't push it out the holes, its not gonna come out no matter what you throw in there. those little bottles of "mechanic in a can" shit have been mostly snakeoil for decades. its an easy upsell for a shop to charge you $50 for an "injector cleaning" when all they do is dump a bottle of mystery fluid in your gas that cost them $3, and that is basically like a drop of piss in the ocean in concentration in your gas, which is already a very strong solvent.
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