Gas Mileage Devices
Improve Gas Mileage by Tracking Best Fuel Economy
Gas mileage devices show us how to save money on gas by providing immediate, measured feedback on how to improve gas mileage
and get the best fuel economy possible. Most people know intuitively that how they drive
affects fuel economy. But we forget...
Gas Mileage Devices - Our Friendly Reminder 
Gas mileage devices are like an electronic post it note on your dashboard reminding you of your goal (a new big screen TV instead
of filling up your gas station's pockets?). They constantly track a myriad of variables including things like average speed, fuel used,
distance to empty and trip fuel economy - your personal gas mileage calculator. With gas mileage devices, we can almost
automatically adjust our driving styles to improve mpg in realtime. Some gas mileage devices also track detailed data on everything from
battery voltage, coolant temperature, engine load, and fuel rate to ignition timing. Others can check your engine for Diagnostic Trouble
Codes (DTCs) so you can address a potential 'service engine soon' problem before it becomes a reality, they can even turn off your check engine
light for you.
Who Can Use an Electronic Gas Mileage Device?
Pretty much anyone who drives a 1996 and newer car or light truck. Vehicles were mandated then to be equipped with an OBDII
(on-board diagnostics) connector that measured what the engine was doing emmission-wise. Gas mileage devices are basically gadgets that
plug in to the OBDII connector that provide all kinds of information on engine performance and how to save money on gas. Parents with teens
like gas mileage devices because they can track how far and how fast their teenager drove their car last night!
The Best Gas Mileage Devices 
It's widely held that the best gas mileage devices, also known as scan tools, data loggers or performance meters, are the
ScanGaugeII and the Auterra Dyno-Scan DashDynoSPO. Both mount in your vehicle and log your engines data. DIY water4gas recommends the Auterra Dyno-Scan, but both will work. The DashDynoSPO also includes GPS info, with
Palm pda software and Google Earth vehicle playback. Scan tool prices depend on the coolness factor.
Installing Gas Mileage Devices
How do you find the plug to connect the gas mileage device? The OBDII connector is a 16-pin connector that should be
located within one meter of the steering column inside your vehicle. In most cases it is under the dash slightly to the left or right of
the steering column. Sometimes it's concealed behind the ashtray or a plastic cover. If you're really looking for how to
save money on gas, gas mileage devices can definitely take out the guess work.
Are you tired of Paying Too Much at the Pump?
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