June 24, 2008
Should You Change Your Oil Every 3000 Miles?
In a recent study performed by the California Integrated Waste Management Board, it was shown that an astounding 73% of California drivers change their oil more than necessary. If it’s happening in California it must be happening all across the country right? So what does that mean?
Well besides being a waste of money for the individual person, premature oil changes are causing unnecessary consumption of oil which is ringing in at $130.00 per barrel and in most cases is being imported. aside: I thought Hess and Sunoco were an all American oil company.
Used motor oil poses the greatest environmental risk of any motor vehicle fluid because it is insoluble and contains both heavy metal and toxic chemicals. When you look at the fact that in California alone there is a reported 153.5 million gallons of waste oil each year and of that figure only about 60 percent is being recycled. Now are you getting the picture?
People are reporting that some gas stations are ripping them off
Here is how to check a pump to see if you are getting the right amount:
Whichever grade you are using, put EXACTLY 10 GALLONS in your tank, then look at the dollar amount, if the dollar amount is not EXACTLY 10 times the price of the fuel you have chosen, then the pumps are rigged. In my case as I said the mid-grade was $4.71 9/10 per gallon, my dollar amount for 10 gallons should have been $47.19. If I had only check the pump. It doesn’t matter where you pump gas, please check the 10 gallon price.
If you do find a station that is cheating, contact the Secretary of Agriculture Ed Schafer.
Back in the day the auto manufacturers did recommend that your engine’s oil be changed once every 3,000 miles. Even though there has been improvements in both the engines themselves and the oils we are using it seems that this old way of thinking is sticking around.
A lot of car manufacturers have upped the mileage in between oil changes. It usually ranges now from 5,000 up to an outstanding 10,000 miles in between oil changes. Unfortunately it seems that the old “3,000 miles in between oil changes” is what people are still going by today. I prefer about 6000 miles or when the truck says it needs to be changed…
This is what my car displays for oil life. it measures oil viscosity not miles driven. Thanks Daimler
In recent years, auto manufacturers have been installing computerized systems that alert the driver when it’s time for the vehicle’s oil to be changed. There are many systems out there but most of them work by analyzing the engine temperature, rpms, vehicle speeds, and other driving conditions to calculate the rate of engine oil degradation.
These type of systems have worked “ok” but there are many outside conditions that cannot be regulated this way.
Daimler AG has come up with a more precise way of evaluating the actual quality of the engine oil. Permittivity of the oil, it’s ability to polarize in response to the electric field, is measured by applying and AC potential between the interior and exterior pipes of an oil filled sensor. This will determine how well the oil transmits the applied electric field. The more impurities that are in the oil (metal shavings from your engine) the higher the increase of permittivity.
There are certain impurities that cannot be monitored through permittivity. That is why Daimler also measures the oil’s viscosity. This will detect any fuel that has seeped into the oil. The viscosity is measured while the vehicle is in motion. It detects the oil’s side to side motion in the oil sump. The slower the motion, the higher the viscosity. The movement is registered by a sensor and the viscosity is calculated.
So it would appear that the long lived 3,000 miles in between oil changes has now become a myth on today’s newer vehicles. As always you should follow the manufacturer’s recommendations on how often your engine oil must be changed. These days… you may be pleasantly surprised.
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Susan from UK web developers
06/28/2008 at 3:53 pm
What? 3 000 miles? Now that is a real waste… People don’t read the manual of the car, when they are buying it? I read my boyfriends manual to his car and there is written, that the first time the oil should be changed after 6 800 miles when is the first control of the car and than after about 9 300 miles (15 000 km). And of course we did go to a good car service which recycles the oil.