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fuel economy

Related articles

How Long Does an Air Fuel Ratio Sensor Last?
If you have a car that was made after 1980, then you have an air fuel ratio sensor. It is a component in your emissions control that sends information to...
How Long Does an Intake Manifold Runner Control Last?
Having the right air and fuel mixture in a car’s engine is the only way for it to run at peak performance. Older vehicles really had no way to control...
How to Figure Out How Much it Costs to Have a Car
One of the largest expenses you have is your transportation. It’s how you get from home to work, school, the grocery store, or the movie theater, and it costs you money. Have you...
How Can I Save Money on Gas?
Everyone wants to get the best possible gas mileage. Here are five ways to get more mileage out of each tank of gas: Remove dead weight: Get rid of...
How to Get Better Gas Mileage with Your Toyota Prius
The Toyota Prius is considered one of the cleanest, environmentally friendly vehicles to drive based on the amount of smog-forming emissions that most other vehicles put out....
Symptoms of a Bad or Failing Variable Valve Timing (VVT) Solenoid
Common signs include the Check Engine Light coming on, dirty engine oil, rough engine idle, and a decrease in fuel economy.
How Long Does a Carburetor Last?
The carburetor combines fuel and air in the engine by using an intake vacuum supply. The air is pulled down through to the carburetor by the intake vacuum while fuel is siphoned from...
Fuel Economy Myths
Drivers will try anything to get better gas mileage. Topping off your gas tank, ignoring tire pressure, and using premium gas won't improve your MPG.
How to Figure Out Which Type of Fuel Gets the Best Mileage
We all want our car to go longer on a single tank of gas. While all vehicles come with a mileage or mpg ranking, mileage can actually vary...
How to Improve Your Gas Mileage
Every driver wants a fuel efficient car. Check your tire pressure, replace old spark plugs, and change your engine air filter to improve your MPG.
Eco-Friendly Auto Tips
Driving a car is the most convenient ways to get around in today's world. The auto represents instant on-demand mobility, and with this comes a great deal of personal freedom....
How to Choose a Fuel Efficient Vehicle
Nearly all vehicles on the road are operated on fossil fuels such as diesel fuel, gasoline and propane. The process of discovering, drilling, obtaining, refining, and transporting these fuels for our...
How to Choose an Environmentally Friendly Vehicle
Auto manufacturers are currently under pressure to create new vehicles that are more environmentally friendly and to improve the fuel efficiency of the vehicles they currently offer. For consumers, the trend...
How to Decipher the EPA's Fuel Economy Label
The Environmental Protection Agency (EPA), in conjunction with the National Highway Safety Administration (NHTSA), puts out a series of labels for motor vehicles of varying fuel types. The labels allow car...
How Far Can You Drive Your Vehicle on Empty?
Knowing how many miles you can drive on an empty gas tank prevents getting stranded. Nissan Altimas can go the farthest when the low fuel light is on.
Top Automotive News & Stories: July 20-26
Each week we compile the best announcements and developments from the world of cars. Here are the topics you can’t miss from July 20 to 26. Regulators Abandon 54.5 MPG Target ...
What is MPGe: electric car fuel economy ratings explained
When you tell your friends and family that you bought a new car, inevitably the first question you’ll get is, “What kind of gas mileage does it get?” The question assumes that you’ve...
Why More Fuel Efficient Cars are Not Enough to Offset Growing Fuel Use
Fuel efficient electric and hybrid cars have not reduced fuel consumption because of increasing populations, longer commutes, and lower gas prices.
How to Replace a Variable Valve Timing (VVT) Solenoid
Variable valve timing solenoids fail when the Check Engine Light comes on, fuel economy is reduced, there is a rough idle, or loss of power.
Is It Better to Drive or Fly?
Cost, time, and effort affect any decision to travel by car or plane. We analyzed 5 popular U.S. road trips to determine the best travel method.

Related questions

Question
My digital fuel mileage read out and is going up and down erratically
Most "fuel economy estimators" utilize the length of time the fuel injectors are open (we're talking milliseconds here) during each revolution of the engine while driving. As a result, small periods of acceleration or other load factors will have temporary...
Question
What are the effects or symptoms of bad fuel injectors?
Hello. A bad fuel injector can fail closed, fail open or not seal when closed and can work normal but have reduced flow from blockage. A fuel injector that is failed closed will cause total misfire all the time on...
Question
Poor fuel economy and sluggish acceleration. Also, my car has squeaky breaks.
Hi there. It sounds like you have a few issues here, but the loss of power and mileage is concerning. It sounds like you have an issue with a failing catalytic converter. If this fails it will clog the exhaust...
Question
Fuel consumption is high
Hi and thanks for your question. In order to have a good fuel consumption, the fuel to air mixture must be around 14.7 to 1. This is the formula for the air to fuel ratio. Look at the carburetor for...
Question
How do you reset the mileage gauge on the dashboard
You should have a "select/reset" knob up in the right hand corner of your dash that will allow you to click and scroll through the various displays such as instant fuel economy, odometer, trip meter, outside temperature. Be sure the...
Question
My car is leaking oil from the bottom part of the engine
The oil leak may be coming from a leaking oil drain plug or another gasket or seal of the engine. The inlet tube is very important: it seals out the dirt and debris that the filter cleans out of the...
Question
Fuel gauge and tank not holding enough
The most common problem is the fuel pump sending unit is bad in the fuel tank. The fuel gauge may also be bad in the dash. The best and quickest way to test the gauge is to disconnect the connection...
Question
Excessive fuel consumption
That does sound like it's drinking a lot of fuel, but it's hard to say until you actually get a good measurement. Fill the tank, but when you do, set the trigger on the second notch instead of the top...
Question
Decrease fuel average My car giving me 8km per litre and fuel small from exsust
Hello. The repairs you have made are all great steps to take. You should also make sure that you have properly inflated tires. Fuel injectors can clog or malfunction and cause these problems. Driving habits, time of year, and location...
Question
High fuel consumption
The Space Gear used both 4 cylinder (2.4L) and 6 cylinder (3.0L) engines and there was also an AWD (All Wheel Drive) version, not to mention diesel versions. Consequently, the curb weight of the various versions of the vehicle ranged...
Question
Slight smell of gas or oil and poorer mpg fuel efficiency
This may be a result of a faulty oxygen sensor. As you may know the oxygen sensors which are part of your emissions system read exhaust gases to determine whether or not the appropriate amount of oxygen is present in...
Question
Fuel range indicator says I can drive 180 miles until empty. I drive half a mile and the indicator already says 165 miles left. What's wrong?
This calculation your car performs is a constantly varying calculation due to a couple of things. One part of this calculation is based upon the driving habits of the driver and how the throttle is used in combination with how...
Question
i'm not getting the fuel mileage I got when I first purchased the car
If your fuel mileage has dropped, first check for any leaks under the vehicle. If there are no visible leaks, then check the spark plugs and see what color they are. If they are burned and white, then the spark...
Question
Truck dies while driving - 2000 Dodge Dakota
Hello. You may have several issues at once contributing to the stalling. You will want to start by having the vehicle scanned for diagnostic troubleshooting codes. This can be done by a mechanic or at most local auto parts stores....
Question
My gas mileage has dropped to 22 mpg, what could be the cause?
When a vehicle gets poor fuel economy, it's typically due to an electrical sensor that is faulty, such as the oxygen sensors, the air fuel ratio sensor, dirty fuel injectors, or the throttle body being dirty. Driving habits can also...
Question
BMW 2010 x3 fuel filter
Poor mileage has many very common causes other than dirty fuel injectors. However, if a diagnostic (that is, actual tests) suggests that fuel injectors are dirty the only way they can be cleaned is by removing them from the engine...
Question
Are magnetic fuel savers real?
This is a gimmick. It does not work. There is no scientific proof it works. The magnets are supposed to align the fuel molecules to perform better. Do not waste your money.
Question
My car's fuel efficiency is poor and it starts rough
There is a valve that is by the fuel neck next to the fuel filler inlet that measures the fumes from the gas cap and related areas. This valve is known as the EVAP purge solenoid valve. This valve controls...
Question
Issue of fuel consumption 2008 Honda Accord
Hi there - I would check fuel pressure, and check the fuel injectors for leaks. Both could result in excess fuel being dumped into the engine. I would recommend an inspection of the fuel injection system for proper operation. Unfortunately,...
Question
My Toyota Avensis 2006 has had a dramatic Fall in MPG - pre and post-service
Hi there: There are multiple reasons why recent service might negatively impact fuel economy on newer vehicles. As the vehicle continues to operate, the ECU (engine control unit or module) continues to learn and make adjustments to ignition timing, fuel...

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