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fuel economy

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Common Signs of a Dirty Air Filter
A car air filter cleans the air entering the engine. Signs of a dirty air filter include a misfiring engine, unusual noises, and reduced fuel economy.
The Difference Between a Sports Car Engine and a Regular Engine
While they are similar in modern design, most everyday car engines are optimized for fuel efficiency and sports car engines for speed and performance.
Symptoms of a Bad or Failing Oxygen Sensor
Common signs of a faulty car oxygen sensor include the Check Engine Light coming on, bad gas mileage, and a rough idle.
Symptoms of a Bad or Failing Engine Control Module (ECM)
Common signs of a failing PCM/ECM/ECU include the Check Engine Light coming on, engine performance issues, and the car not starting.
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.
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.
How to Figure Out How Much it Costs to Have a Car
One 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 ever figured out how much exactly...
The Best Used Cars to Buy For Fuel Economy
Saving money on gas is an important factor to consider when buying a car. The Honda Civic, Toyota Prius, and Ford Fusion all have great fuel economy.
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.
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...
What Happens If I Overinflate My Tires?
It is a common misconception that overinflating your tires will provide more responsive handling and greater fuel efficiency. In fact, over-inflation is...

Related questions

Question
Very High fuel consumption
A P0125 code says that the engine is not reaching sufficient temperature to go into "closed loop" operation. Closed loop operation is essential for fuel economy and low emissions. Basically it's saying that your engine is not warming up. Replacing...
Question
Low gas mileage
Real world mileage numbers very rarely stack up to those advertised by the manufacturer, but 13 MPG does seem very low. There are several things you can do to improve your mileage. First, make sure your tires are properly inflated...
Question
How do you improve the fuel economy?
While your car is designed to get good fuel economy, there are several things that you can do on your own to ensure that you get the most bang for your buck. Here’s how to make sure that you get...
Question
How do you improve the fuel economy?
The amount you have to shell out at the pump can be staggering, particularly if your car is a daily driver. Knowing how to improve your fuel economy will cut down on the shock to your bank account. Here are...
Question
How do I improve the fuel economy?
There are several different good driving habits that can improve the fuel economy of your vehicle. To improve the fuel economy of your vehicle, try these good driving habits. Operate the vehicle smoothly and moderately. Use steady speed. Slow...
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
Getting horrible gas mileage.
When you say you are getting horrible gas mileage, you do not specify how bad. If another shop says it is running ok then it may be OK. If you are getting a drop of more than 2 to 3...
Question
Gas problems
Some older vehicles do not have a baffle on the fuel pump, to prevent rapid changes in fuel level when turning. This may be normal for this vehicle. Fuel milage can be affected by several items like failing sensors, mechanical...
Question
Gas mileage down
First off, spark plugs are not going to affect fuel mileage. Also, how are you checking fuel mileage? If you are using the indicator on your dashboard or overhead console, this isn't perfectly accurate. The only accurate way is to...
Question
excessive fuel consumption?
EPA ratings for this vehicle are stated in units of miles and gallons. The city driving rating for the vehicle is 22 MPG (miles per gallon). The highway driving rating is 32 MPG. Your experience is reported as 15 MPG...
Question
Bad gas mileage
Hi there. The fuel mileage is never great in this car, but this is rather low. Most of the time if it is running fine and has recently dropped off it is because or a dirty air filter or a...
Question
Bad mileage on 2012 mazda 2
In order to check the fuel mileage you should drive as if you are trying to save every drop of fuel. The mileage rating is based on not running the a/c and driving mostly highway miles to get the mileage...
Question
Fuel inefficiencies
In order to check your fuel economy you will need to fill your fuel tank completely and zero your trip meter and drive vehicle until you use at least a half tank of fuel and then fill the tank and...
Question
Can my 1999 town car use 89 octane even though it says 91
If your vehicle says premium fuel only on the gas gauge then you should use only the premium fuel. In a pinch you can run the 89 octane fuel and try not to do any heavy acceleration to avoid engine...
Question
2007 terrible gas milage - replaced cylinder head - ignition coils - and soark plugs - I'd it worth it to replace fuel filter
Hello, thank you for writing in. The fuel economy is going to lessen over time for many reasons. If you believe there is something mechanically wrong with the vehicle, start by scanning the vehicle for diagnostic codes (even without a...
Question
I have a 2012 vw Passat. My gas depletes like crazy, even after I've had it serviced? What may be the causes?
Hello, thank you for writing in. Several components may be contributing to your decrease in fuel economy. You will want to consider any recent work that you have had done and go through a process of elimination to determine what...
Question
What would cause the MPG gauge to fluctuate on a 1999 BMW 323i?
Hello, thank you for writing in. There are several different systems that interact with the fuel system which effect fuel economy. The first that you will want to check is the ignition system. Make sure your spark plugs are new...
Question
Significant gas mileage drop after tire change
If the vehicle fuel efficiency has dropped 15%, and there is no obvious explanation, something is wrong. The timing of the tire replacement to the drop-off in mileage is undoubtedly just a coincidence unless the tires are wildly defective thus...
Question
2010 VW Routan. current meilage is 56500 the freeway MPG is 24 which is good howver the local mpg now drop from 17 to 11. Why?
Gas mileage can be affected by vehicle condition, tire pressure, or even driving style. If you have been sharing the use of the car in the past year, it could be that your partner has a heavier foot than you...
Question
I have a 1999 saturn. It burns oil fast and has a lot of white smoke from my exhaust. It shakes mainly in idle. What's wrong?
Hi there. White smoke coming out of the exhaust is an indication that the cylinder head gasket is burned or the cylinder head is cracked. When coolant is in the combustion chamber, then engine will shake, the oil will burn...

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