How chip tuning works (engine re-flash). What is an ecu chip tune? What is an engine reflash? How much horsepower will a chip tune provide for a car? What parameters of the engine does the ECU alter so that the car creates more power? This video is the first part of two videos, explaining different ways an ECU can make your car faster.
Air-Fuel Ratio - http://youtu.be/9uFdrcPkMGE
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