How do you save gas? car maintenance?

I notice my car has been swallowing gas up. I used to get about 30+ mpg, but now i think it's just like 25-30 mpg now. could it be the engine oil or tire pressure or something like that?


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5 Responses to “How do you save gas? car maintenance?”

  • kb:

    could be air filter
    dirty oil
    tire pressure
    change of driving habits
    bad transmission

    you could try a tuneup if you havent had one in a while

  • mybuttstinks2008:

    Give it a tune up
    Change the oil, air filter, plugs, wires and fuel filter.
    Also check your air pressure in your tires.

  • tatrafan:

    Tyre pressures are important to the question but the engine oil is not.
    Contaminated or old oil will affect your emissions but not MPG.
    If this has happened and your driving has not changed try looking for a binding brake. Does the car roll freely when the brakes are hot?
    Get a diagnostic check from a local small garage.
    It may save you money in the long run.

  • Country Boy:

    It’s very important to keep the ignition system in top shape. Factory recommended plugs and spark plug ignition wires would be a good place to start. Filthy gasoline also destroys the spray pattern of the fuel injection nozzles. No quick dime store fuel system cleaners are as good as a professional dealership fuel system cleaning. Notice I said professional, not "quick stop" oil change offers places please!

    As for tire pressure, notice the maximum pressure on the raised letters on the tires. If you like a cushy sloppy ride follow the car manufactures printed pressures inside your door jam. *Try splitting the difference of the door jam pressure and the maximum on the tires. Nothing holds a candle to having your tires purged with nitrogen and re-inflated. Nitrogen is an inert gas, no moisture and dirt. Nitrogen molecules are hundreds of times larger than compressed air. The tires stay inflated and heat does not effect tire pressures as good old dirty air does. It’s a plain and simple fact that nitrogen extends tire life.

    Motor oil is another factor. Use the viscosity oil the car manufacturer recommends. 80% of engine wear occurs during cold starts. It’s to your advantage to stick to the recommended oil viscosity. Low viscosity oil pumps to critical engine parts with more volume of oil which cools frictional surfaces more efficiently. A switch to a full synthetic motor oil is in your favor. For instance: Regular 5W-30 pours at -35 degrees below 0 Farenheit. Full synthetic Mobil1 pours at -52 degrees Farenheit. Lighter weight oil creates less drag on the oil pump thus the motor makes more horsepower.

    Clean air filters are also important. As you can guess it’s a lot of little things that make a positive differense.

  • I’m amazed, I have to admit. Rarely do I come across a blog that’s equally educative and entertaining, and let me tell you, you’ve hit the nail on the head. The issue is something too few folks are speaking intelligently about. I am very happy that I came across this in my search for something regarding this.

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