The ECM is the engine's computer. It takes signals from sensors, figures out what the engine needs, and controls fuel, timing, and emissions. If it fails, the engine won't run right — or won't run at all.
The ECM is the engine's computer. It takes signals from sensors, figures out what the engine needs, and controls fuel, timing, and emissions. If it fails, the engine won't run right — or won't run at all.
