Tire Pressure and Fuel Economy

Posted by admin on September 21, 2009
Posted under better gas mileage

With the rising gas prices and the anxiety about rapidly diminishing fuel reserves, it is a good idea to go ahead and do something about your car. The best thing to do is to get hold of some mileage saving means which will enable you to save some money. Saving gas has become a great challenge nowadays and you have to work out a way to ensure that you do your bit by using an environment friendly way to run your car.

One of the easiest ways to save fuel is to have tires with correct tire pressures. Although most of us are under the impression that our tires have the correct amount of pressure, the truth is quite the contrary. There are factors like wear and tear; seasonal temperature changes and weather which make the car lose about one to two pounds per square inch each month. Although this seems to be quite an insignificant number, you will be alarmed to know that 1 psi loss in four tires means that your miles per gallon will decrease by almost 0.04%.

This means that you need to be very careful about your tire pressure in order to ensure that you get a great mileage out of your car. Tire pressure variations can affect your mileage and the sooner you understand it the better for you.

Given below are some tips which you can look at in order to see if your tires have the right amount of pressure:

1. There should be a sign on the inside of the driver’s door of your car or in the glove box indicating the correct tire pressure for your car. In case you cannot find it, call your car company and get the accurate number from them immediately.

2. Though some stickers will not specify ‘cold tire pressure’, you need to ensure that the tires are cold, which means that they haven’t been used for the past few hours.

3. The psi number marked on the tires stand for the maximum pressure that the tires can undertake. You need not consider it to be the ideal pressure for your car tires.

4. In order to know the tire pressure, always use a digital gauge. It is the best way in which you can get the exact pressure and settle the pressure of the tires accordingly.

Always keep checking the inflation of your tires as well. The National Highway Traffic Safety Administration says that as many as 30% of cars and trucks do not have the correct amount of inflation. Do not ever judge the inflation and tire pressure of your cars on the basis of their visual appearance because it can be extremely deceptive, to say the least. Go for regular checks which will enable you to understand the correct amount of pressure and air required for your car. In this manner, you will be able to save quite a substantial amount of fuel by getting better mileage out of your car.

D Southard
http://www.articlesbase.com/automotive-articles/tire-pressure-and-fuel-economy-651258.html

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14 Responses to “Tire Pressure and Fuel Economy”

  1. Jus Plain Crazy Says:

    always go by the tire manufacturers recommendation
    References :

  2. brians.furniture Says:

    The question you need to ask yourself is are you putting air in your car or in your tire..Hummmmmmm.
    References :

  3. centralnyguy2005 Says:

    Are you sure you looking at the right numbers ? Ive never heard of a vehicle taking either of those tire pressures..
    Usually cars take either 32 psi or 35…. unless you have a large truck or SUV… I would go by the tire markings.. Make sure your reading the right numbers… 44 psi does not sound right…either does 30 psi
    References :
    38 yrs life experience

  4. Tire maufacturer.
    References :

  5. 44 PSI is the MAX allowable pressure. If you have loaded the tires to the max then you are using the wrong tire.

    Basically, the amount of air that goes in the tires depends directly on the loading. The tire manufacturer has no idea what car you are using the tires on, they just give you the maximum safe pressure.

    If you inflated to that pressure your tires won’t last very long. Al sway go by the car maker’s numbers.
    References :

  6. Go by what the vehicle’s specified tire pressure is, as this is for your vehicle’s specifications. Go by the sticker usually found in the driver side door jamb. The tires on your vehicle allow various psi ranges according to many different vehicles that they can be mounted to.
    References :
    vehicle locator services

  7. tire manufacturers
    References :

  8. greasemunky1980 Says:

    look at the sticker on the door. 44psi is the max pressure that tire can take. too much pressure will cause the center tread to wear out faster. go buy the sticker on the drivers door or the divers door jamb
    References :

  9. Any tire manufacturer will say the proper thing to do is go by the sticker inside the door. I dont see you having any significant gain in fuel economy from 30-44. Make sure your car is tuned properly, aligned properly, and all factory scheduled maintenance is done at each mileage interval, you will notice more from doing those things. And the 44 is max on most tires for the person that said they never heard of that.
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  10. well, first off, do you have manufacturer specified tires on your car? if there bigger than what your manual says, then you i would go by what the tire says. the cars manual assumes you keep the same sized tires on it from when it came out of the factory.
    References :
    Training automomotive student.

  11. go with 35 lbs. and you will be safe, just remember the more air you put in the harsher the ride but it will help on gas mileage.
    References :

  12. im a old tire guy and since the 70’s ive been running 5 pounds more and ive never had any problem with any of mine….. but really the max is better but it really depend on the car too cause tire are made for many types so it really up to you to watch how they wear…. i run 45 in all mine and 30 pounds is low for any car tire its never been 30 and your not going to get a lot of mileage but it does help….. check them monthly in the winter and sure 44 is just fine,,, good yr trained and still changing tires…. road service truck and tractors thro i still get a car every once in a while
    References :

  13. The tire manufacturers recommendation is to go by what the vehicle manufacturer says. Go ahead, look on any tire makers web site and that is exactly what they say. The number molded into the sidewall of the tire is a "maximum" inflation pressure for that particular tire. It is a safety warning, not a recommendation.

    The vehicle manufacturers recommendation provides the optimum combination of load capacity, wear, handling, braking, wet performance and economy.
    References :
    I work in the tire industry

  14. Tire pressure and fuel economy, should i go by the car’s manual or the tire maker’s recommended psi?
    My car manual recommends 30 psi and the tire maker has 44 psi on it. So far i kept to 30 psi and my car doesnt have great fuel economy, averaging 17 mpg in city and 23 highway; but now i am hear that increasing the pressure will greatly boost my fuel economy…is this safe? and what pressure between 30 and 44 would achieve a good balance of fuel economy without sacrificing safety?

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