Quote:
Originally Posted by SmellyCat
It's fun to watch my mpg drop at stop lights. What extra benefit will a scan gauge give me? Will it save me fuel dollars?
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A ScanGauge, by itself, will not save you one penny.
The gas saving process starts by using your built in MPG meter, which apparently is set to show the mileage for each trip. Adjust your driving habits so as to consistently get the best trip mileage. Most of this is driving to minimize your brake usage. Move with the flow of traffic, time traffic lights, coast down for most speed limit changes, etc. Note the effect of temperature, hot vs cold start, and wind on gas mileage.
At some point, you will start to wish for additional information, possibly instantaneous gas mileage to help find the best cruise speed. THEN, you will be ready for a ScanGauge / Ultragauge / Torque app / something.