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#41
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That the MM will tell you when the oil needs a change, but if you drive so little that it takes over a year to reach that threshold, chenge it anyhow. |
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Yes, that's what I was saying. |
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I don't use Mobil 1, nor have I looked into it, so I can't say. |
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I think we're on the same page. |
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Have it in my wife's '07 Odyssey. Seems to indicate a change at what I perceive to be a reasonable amount of mileage. Not being an automotive engineer, I'm not 100% certain it is correct, but I have faith in the engineers who know more than I. |
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I know that my '01 EX-V6 Accord, which doesn't have the same MM as my wife's '07, I've not been changing the oil till indicated (no percentage gauge, just a flashing light to indicate), I don't change the oil till flashing, use regular old dino oil (or whatever 5W-20 is these days) and my car with just a tad over 199,000 miles is still going strong. |
#42
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And does Mobil 1 synthetic break down "just sitting there"? I didn't believe it did. I don't use Mobil 1, nor have I looked into it, so I can't say. |
#43
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1) What mileage or interval does Honda recommend you change the oil at? at what mileage interval do you refill with gas? or do you watch the gauge and fill when empty? because that's all the maint minder is - a gauge. |
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2) If the MM isn't reset after service, when is the next oil change actually due? do you notice if you forget to fill with gas? because the gauge will show "empty" if you don't re-set. |
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bottom line - you're just humping virtually every post in sight, presumably because you're bored. have your parents grounded you for something? |
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and you post unspeakable crap. "osmolarity", "chemical structure" and spectrometry for example, when you haven't the slightest idea what those things are. |
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the gauge uses a formula built up over time. if the input [time, rpms, throttle, temp, etc.] are measured, and correlated to output by honda's engineers, the output can be measured to a very high degree of accuracy. not "trusting" it and continuing to bleat about mileage schedules is like not trusting the engine computer to inject the right amount of gas - an utterly ridiculous concept. |
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as for synthetics, as per the algorithm, input is known. accumulated combustion product buildup rate, that this algorithm models, will be the same regardless of oil. can synthetics run longer? sure. but the engineering "safe" solution is to go on the level of combustion product accumulation, not rely on variance in oil formulation. |
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now, you go ahead and hump this post polfus. maybe even throw in a few naughty cuss words. then go to bed and let your mommy read you a story about the big bad oil bears and how they'll eat your [daddy's] car if you don't change the oil every 3k miles. |
#44
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I know that my '01 EX-V6 Accord, which doesn't have the same MM as my wife's '07, I've not been changing the oil till indicated (no percentage gauge, just a flashing light to indicate), I don't change the oil till flashing, use regular old dino oil (or whatever 5W-20 is these days) and my car with just a tad over 199,000 miles is still going strong. |
#45
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On Feb 4, 9:47 pm, "Seth" <seth_lermanNOS... (AT) hotmail (DOT) com wrote: snip I know that my '01 EX-V6 Accord, which doesn't have the same MM as my wife's '07, I've not been changing the oil till indicated (no percentage gauge, just a flashing light to indicate), I don't change the oil till flashing, use regular old dino oil (or whatever 5W-20 is these days) and my car with just a tad over 199,000 miles is still going strong. Super! Please review your oil change receipts, calculate the average oil change interval (miles) and post that. For those not trusting the MM, how's that for a benchmark? |
#46
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To update the thread, we do have some reports on when the MM is calling for an oil change: Jan 21 JXStern and Elliot Richmond: About every 6k miles, twice now. Jan 13 Joe L.: About every 6k miles, twice now. Aug 5 2007 Santos: About every 6500-6800 miles, four times. Dec 4 2006 John H.: About every 7k miles. |
#47
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But you tell me specifically where it answers these two simple questions..I have my manual in hand and await your scary knowledge: 1) What mileage or interval does Honda recommend you change the oil at? When the MM tells you to or a year, whichever comes first. |
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2) If the MM isn't reset after service, when is the next oil change actually due? Gee, you mean it's up to the DRIVER to KNOW HIS CAR and MAINTAIN it, |
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including watching the dash and seeing that the MM is reset? What will we DO? Honda isn't SPOON-FEEDING US ENOUGH. They're not WIPING OUR NOSES ENOUGH. |
#48
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so I can know how much to set aside when a big service job is coming up..know what I mean? Stuff that I can't do myself. |
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These engineering and business types are mostly reasonable people, ya know. Well...at least the engineering types are ![]() |
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They did not just make up that oil breakdown depends largely on all the aforementioned conditions. Agreed. Though some degree of it may be marketing, you may admit. |
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I should add I base some of my faith on a Consumer Reports article that studied taxicabs in NYC and especially oil quality, so as to give counsel on when to change oil. IIRC, even with the severe duty of cabs, CR found changing the oil every 7000 miles or so should be fine. Google for the whole article. Read it already...here's another one, some videos . Check out the Las Vegas one: "Mobil 1 Extended Performance Field Testing" http://www.mobiloil.com/USA-English/MotorOil/Videos/TV.aspx |
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The point is there are limits. Tradeoffs. Engineers and the business managers weigh tradeoffs. If you can't list a dozen potential tradeoffs for the MM system right now, even if you're just a beginner with cars, then you're not seeing the whole picture. For now, Honda figures the MM design is an asset to the business. Agreed. And a dozen tradeoffs? |
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Do you know why they do not put an engine oil chemistry monitor on every Honda automobile? Cost? Beats me...tell me please. |
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3) When you use a synthetic oil, Honda states at that point that we should follow the new recommendations of the synthetic oil manufacturer; i.e. Mobil 1's guidelines. Where does Honda say this? I just checked, at random, a 2002 Civic owner's manual. It says follow the same maintenance schedule as one would for non-synth oil. Dude..my bad. Its the same..Honda says in the 2008 as well to do what it says in the information display, even when using synthetic. 6) Never underestimates the power of greed and money, and refer back to #5. I agree, and I do not say this casually. It's what's behind the counsel here to never trust a dealership when it comes to fixing and maintaining one's car. Problem is we gotta trust 'em some... |
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scary to know whats the truth, so thats another reason why I would like all the info I could get on my car, especially on things like changing oil/filter and some kind of guideline other that "trust the computer and shut up". |
#49
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That would require having on-board info in a hard drive that knows the chemical structure, osmolarity, density from the light spectrometer thingy, etc., of each and every oil, No, it simple means specifying a minimum standard of motor oil--the specifications of which are published. |
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What is it nowadays--API SJ? |
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Read. It's good for you. |
#50
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"Seth" <seth_lermanNOSPAM (AT) hotmail (DOT) com> wrote That the MM will tell you when the oil needs a change, but if you drive so little that it takes over a year to reach that threshold, chenge it anyhow. No...I mean do you know what Honda's or the motor oil dudes say about changing oil...the interval, that is? |
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Yes, that's what I was saying. Outstanding. I don't use Mobil 1, nor have I looked into it, so I can't say. I wonder....I don't believe that needs changing every year, even if sitting around undriven. |
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I think we're on the same page. Yup. Have it in my wife's '07 Odyssey. Seems to indicate a change at what I perceive to be a reasonable amount of mileage. Not being an automotive engineer, I'm not 100% certain it is correct, but I have faith in the engineers who know more than I. Well...I do too, or else I wouldn't have spent my cash on an Accord! I know that my '01 EX-V6 Accord, which doesn't have the same MM as my wife's '07, I've not been changing the oil till indicated (no percentage gauge, just a flashing light to indicate), I don't change the oil till flashing, use regular old dino oil (or whatever 5W-20 is these days) and my car with just a tad over 199,000 miles is still going strong. That's awesome.....I was just mentioning that the 200k mark is a big one, and not really the norm. You have definately gotten your money's worth with that '01 Accord. How long you predict it shall last..mileage wise? |
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