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mileage

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How to Get the Best Fuel Mileage For Your Car
Fuel economy can be increased if you perform regular car maintenance, pay attention to the Check Engine Light, and reduce your idling time.

Related questions

Question
I get 5 miles per gallon truck stalls at low rpms
This may be a sign of a failing idle air control valve. The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine. This valve is controlled by the...
Question
Poor gas mileage 2013 Hyundai Sonata
Hello - if your car passed emissions testing, and the Check Engine light is NOT on, your vehicle is at least passing the on-board diagnostics. Many other factors can affect fuel mileage however, tire pressure, clogged fuel filter, short trips...
Question
My car consumes fuel excessively
Hello there. Many faults could cause your vehicle to consume excessive fuel. The most common faults are a misfire condition, a bad mass airflow (MAF) sensor, a fuel leak, a vacuum leak, a faulty oxygen sensor, or an exhaust leak....
Question
Are the miles too high for me to buy this car?
I would recommend checking the Kelly Blue Book Value for your car which is relevant to your particular zip code. This should give you an indication of generally what the car is worth. You will of course want to discount...
Question
How many miles more will my 2003 Volvo S40 sedan last for?
Hello there, how long your 2003 Volvo S40 lasts is determined by many different variables. If the vehicle is maintained properly it will last much longer than a vehicle that is not maintained. It is impossible to predict how many...
Question
High fuel consupmtion
Hello there. Many common faults will cause your 1990 Toyota Corolla to consume excessive fuel. The most common causes are leaking fuel injector, vacuum leak, a faulty MAF sensor, fuel leak, spark plugs, plug wires, or an ignition coil. If...
Question
I have a bad knock sensor. Is it worth replacing?
Hello. Yes, you are correct - the P0325 is indicative of a failed knock sensor (or the knock sensor wiring). I think it is a rare circumstance where you would not want to make this repair. It is straightforward and...
Question
Bad gas mileage
Hi there. Quite often a damaged catalytic converter will mask other mechanical issues that impact fuel economy. One culprit in particular is the EGR valve. The EGR valve works in conjunction with the catalytic converter to help reduce particulate matter...
Question
My car was parked for a while, now the gas mileage is worse than before
It is not that you need to take it anywhere to get it programmed. The vehicle will revert back to the factory settings for fuel control. As you drive the vehicle over maybe a couple fuel tanks you should see...
Question
High mileage, Help avoid issues?
Fresh fluids are a good place to start. Change the engine oil to a high quality synthetic like Mobile 1. BMW consider's their transmission fluid to be "lifetime" but that unfortunately means for the life of the transmission, so changing...
Question
Incorrect odometer mileage on dashboard
Hello. Yes, you can have your odometer reset. Keep in mind it will only be closer to accurate if you haven't been keeping record of what it should be. This is not something that can be done at home or...
Question
Does using heat burn extra fuel?
Hey there. The heater in the car only requires the use of the heater blower to blow hot air out of the heater case. The heat is generated by blowing hot air across the heater core inside the A/C blower...
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
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
Where is the instrument panel to find the trip reset button to press and hold in order to reset the trip mileage?
Hi there. When resetting the trip mileage on your vehicle, look at the steering wheel and just behind it is the instrument panel (the part that has all of the gauges). Look on the instrument panel for a black small...
Question
How do I get my car's miles to show on the dash while the car is on?
Your car has a multi function display that can show mileage, trip mileage, service intervals, and other information. It sound like you may be having difficulty getting it to display what you want. Your car will either have buttons on...
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...
Question
My car has done 37,500 miles service but it only has 33,300 miles, what kind of maintenance do I need?
The maintenance reminder system is not strictly mileage based. If 12 months elapse, without an intervening re-set, the light will come on simply because the engine oil should be changed at 12 months even if the 7,500 mileage interval for...
Question
My car has a fuel injector problem, how can I free myself from this problem?
Hi there: In most cases, the symptoms you're describing are related to fuel delivery problems; with components such as the Mass Airflow Sensor, TPS (Throttle Position Sensor), or the throttle body itself being damaged, having faulty connections or simply being...
Question
My Toyota 5L smokes black when gooing uphill and loses efficiency. What could be the problem?
A diesel engine spewing black smoke is generally caused by ignition timing that has been retarded too far or a large amount of unburned fuel leaving the engine. A failing turbocharger that is not putting out enough boost may cause...

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