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  1. Bad Engine Control Module (ECM): Symptoms, Repair, …

    Apr 11, 2025 · The ECM, or engine control module, is a computer that manages engine operation by using data from sensors to control components like fuel injectors and ignition coils.

  2. How the Engine Control Module Works | HowStuffWorks

    Do you know what the engine control module actually controls? Check out this article to learn about ECMs in cars and find out what they do.

  3. Engine control unit - Wikipedia

    An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine. Systems commonly controlled …

  4. 5 Symptoms of a Bad ECM (And Replacement Cost in 2025)

    Jun 4, 2025 · The engine control module (ECM), also referred to as the engine control unit (ECU), is a critical component which links your engine to the central computer of your vehicle.

  5. What Is the Electronic Control Module? - AutoZone

    While the terms ECM (Electronic Control Module) and ECU (Electronic Control Unit) are often used interchangeably, they have distinct functions. The ECM specifically manages the engine, …

  6. What is the Electronic Control Module (ECM)? - Cummins

    Nov 3, 2023 · Learn about Electronic Control Module (ECMs) and how they optimize engine performance and provide efficiency and reliability in diverse vehicle technologies.

  7. What is the Engine Control Module (ECM) ? How does it work

    The Engine Control Module (ECM) is an electronic control unit designed to control and manage the performance of a vehicle's engine. The ECM monitors a number of processes taking place …

  8. Understanding Engine Control Modules (ECMs) and Their Functions

    Apr 1, 2025 · The ECM performs various functions, such as fuel management, ignition management, idle speed control, emission control, and engine protection. The ECM provides …

  9. Engine control module (ECM) - Motive

    The engine control module (ECM) is an electronic control unit that manages the engine’s performance. It monitors various sensors and adjusts fuel injection, ignition timing, and other …

  10. Engine Control Module: Understanding Its Critical Role

    Mar 11, 2025 · In this guide, I’ll break down how an engine control module works, what it controls, and how to recognize signs of a faulty ECM. Whether you’re troubleshooting a problem or just …