Find helpful customer reviews and review ratings for EcoOBD2 Economy Chip. EcoOBD2 Economy Chip Tuning Box for Benzine 15% Fuel Save. With this unit in place and nothing else, I have obtained another 65 miles per full tank of gas,. .. Duoying Auto Eco OBD2 Eco OBD2 Economy Tuning Box Chip Benzine Car .
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SingTech ECO Fuel Saver is a micro-computer that connects to a sensor in the vehicles accelerate pedal. Depending on the make of the car, it could be APS .
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