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I have a 01 lude, with a H22A4, that ive had since 32k miles, it now has 49k and i have been putting mobile one in it ever since ive had it. Ive also been using the m1 oil filter. every oil change reset that indicator light in the dash (i read somewhere that it is a timer that changes to yellow after 3k and changes to red after 7k) Well ive been doing my oil changes before it changes to red. im guessing about every 6k.

I do not know if the previous owner used dino or sny.

Knowing this my oil turnes to black before 3k every oil change, i wouldnt think that this is normal, i mean isnt oil suppost to be that clear golden color?

Is something wrong with my baby? im going to check the spark plugs today, what should i look for?

thanks for your help.

 
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oil when new is a light brown color. After running through the engine, it will turn to dark brown/black color.

 
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for the people that dont know why ur oil turns black... heres the real answer

there is something called blow by...stock rings only block 80% give or take some. blow by is dirty...ur oil picks it up and suspends it. thus appearing ur oil beeing dirty...plus heat will discolor it

 
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What everyone is saying is that your oil is normal! That's why there is device called an oil filter.

 
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for chunks not to go into ur oil system clogging it

 
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Ok then why does a car running on propane never ever has black oil>????

I know the answer koolaid do you

 
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ask me if i give a daym if a car runs on propane...or not or y the oil doesnt turn dark...i dont work on alternative fuels so i dont give a daym

 
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Propane is a clean burning fuel, when blow by goes into the crank case of the motor there is very little evidence of it because it burns so clean, if your car ran on propane your oil would appear to be a much lighter color. If you want clean oil, you have a few options, rebuild your motor, change the oil more often, or run on natural gas. If those are not options you would like to explore, then deal with black oil. Remember, cars will not be new forever.

 
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Most people here are young newbies to cars. After all, a Civic is probably their first car they've ever own in his/her live. So alot of people here are just beginning to learn the intricacies of an automobile. There are many times when I read things being posted here, I get frustrated in the lack of knowledge of some of the people. After thinking what age group drives the Civic, I usually calm down. Of course, there are exceptions, but in genreal this is true.

 
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im no tech, but has the car ever received an motor oil flush? pretty much drain used oil, pour in new oil with addictives (which can take 10%-20% of the overall oil fill). start car, idle then drain. then refill appropiate amount of motor oil along with new filter. make sure your filling it with the correct type of motor oil and filter. im guessing u been filling with mobil 1 fully syn. 5w-30? thats good stuff heh
u do your own oil changes eh? and every 6k? i thought it was every 5k? you cannot expect your oil to be fresh after 6000 miles wheather it was just slow granny driving or not. i ran 3500 miles on mobil 1 5w-30 in my civic and as unexpected, the oil lost its addictives and it was a very dark brown color. it varies on your driving habits; you do highway driving much? race on the weekends? usually shift at higher rpm ends? etc

motor oil isnt always a clear golden color. more like light brown or gold. i know mobil 1 5w-30 is a gold/brown color when new. not clear at all..

 
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i think im one of them

 
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Bingo your dead on great answer dude........

 
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Ill tell you this only once OK... Stop being a god Damn smart ***.... We don't need noobs like you posting stupid *** comments like that...

learn to respect other peoples posts..and stop saying ,

Its a loose nut behind the wheel,

Your turn will come when you will have a problem and when that times comes you will be ignored

 
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The H22 is known to be an oil burner.. more then other engines. Do a google and you'll see.

 
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mines always black.

 
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Yeah i kno its an oil bunrner, i check the oil levels every week while i get gas.
Oil flush? eh?
Incase you dont know i have a prelude with a h22a4 motor, so that isnt a civic :P
i try to change it every 7k, i use a M1 Oversized filter for it, and i usually shift at or around 3k, every now and then ill take it close to the redline,

 
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The only motor I've had that gave me clean looking oil after every oil change was my Dodge Ram with a V10. I could have put that stuff right back in the bootle after 5K and sold it.

 
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The M1 filter is not going to give that much of ana dvantage over the Honda OEM filter. IF you do so searching you will find that Honda uses Fram filters, but when Fram make the filters for Honda, Honda requires 1.5 time the filtering material than the next company. So Honda's filters don't nessarily use the best filteration material (although Fram is material is not bad) but they pack so much in, it compensates and in test has shown to out filter every other major brand of oil filter just because of the amount they put in.

 
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Here is the real question... Natural Gas and propane burn cleaner, but why is that? What makes then burn cleaner that normal iso-octanol (that's 100 octane gas)?

 
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here is the real answer: Natural gas is a natural product, unleded 87-89-93 comes from a crude product that is refined with additives so it has more deposits when combusted, therefore after alot of miles on a motor it turnes your oil black fom all the deposits.

 
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7k miles is a lot if the h22 is an oil burner. oil flushes are recommended for any car, i believe one every 50k miles? i would stick with the mobil 1 syn and use the appriopate sized filter and change your oil every 5k. btw, what color are you seeing? does it get very dark brown after the first few weeks or some?

 
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Actually, the chemical sturcure of Natural gas is that of a triangle, 3 carbon atoms in atriangle. Triangle's are bad for bond energies (bond energy is high), so the carbons actually don't want to be together, thus they are more "willing to come apart." Once each carbon is apart, it can easily be turned into CO2 in the combution process. iso-octanol is a striaght chain of 8 carbons, so it looks something like C-C-C-C-C-C-C-C, now these carbons are pretty happy to be next to eachother (180 degree bond agle) makes for a lowwer bond energy, hence it is harder to oxidize every carbon (it is harder to break every carbon apart in a chian of 8 than a triangle of 3). So Natural gas has a much higher conversion rate than octanol. iso-octanol is normal gas by the way, 100% iso-octanol is the standard for 100 octane.

Sorry that was a loaded question, I'm a chemical engineer and the existance of chemical engineering is to refine crude oil into gasoline, diesel and all that stuff. So I have spent 4 years of my life study exactly this sort of thing.

 
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Guess I stand corrected, thanks! However, if this guy wants his oil to look like honey, I can almost guarante flushing will not do the trick. Unless this motor is full of sludge etc... Would just recomend more frequent oil changes or a new set of rings, but I always say, if its not broke, dont fix it! (in most cases) Thanks for the explination, very informative!!!

 
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I agree, I haven't seen a Honda yet that can has oil that looks clean. And I agree, if it isn't broke, don't fix it.