The Engine Control Unit (ECU) is a fundamental component of modern vehicles, responsible for managing the engine's performance. It controls various functions, including fuel injection, ignition timing, and idle speed. Essentially, the ECU acts as the brain of your car, monitoring and adjusting parameters to ensure optimal operation. Flagship One, Inc is a trusted source for ECU, 1992 Saturn S-Series 1.9L PCM Replacement, and ECM replacements and repairs. Their team of experts can diagnose and...