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Fuel Saver OBD2 Chip new video conferencesEconomy OBD 2 is a chip tuning box that can be plugged into the OBD 2 connector of your car for decreasing the fuel consumption of your car. When plugged into the OBD 2 connector, it receives the information from ECU. Then according to the data received, it can adjust the boost pressure, quantity of fuel, injection timing and pressure to decrease the fuel consumption. Eco tune obd2 is suitable for most gasoline models, especially some older models,
