ECU tuning is one of the easiest ways to get some more horsepower out of your engine in modern cars. The ECU, or the engine control unit, is essentially the brains of the vehicle, and it controls all ...
RushExperts on MSN
ECU tuning: Is it worth it or are truck owners playing with fire?
Your truck's factory settings are holding back more power than you'd expect.
Modern vehicles can contain around 100 Electronic Control Units (ECUs). An ECU is a minicomputer that collects data and determines whether to activate a function based on the information received.
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