est At Flagship One, Inc, we specialize in remanufacturing and repairing ECUs, PCMs, and ECMs for a wide range of vehicles. Our team of experts can diagnose and fix any issues with your car's control module, ensuring optimal performance and efficiency. The ECU is the brain of your car, monitoring and controlling engine functions such as fuel injection, Ignition Timing Adjustment timing, and emissions. It collects data from various sensors to make real-time adjustments for the engine to ope...