Check Engine Light: A persistent check engine light could indicate a problem with the ECU, PCM, or ECM. Use a diagnostic tool to retrieve error codes and identify the issue.

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Electronic Control Unit (ECU), Powertrain Control Module (PCM), and Engine Fuel Injection Control Module (ECM) are all terms used to refer to the central computer system in your vehicle that controls various functions related to the engine and transmission.

Conclusion
In conclusion, understanding the role of ECUs, PCMs, and ECMs in your vehicle is essential for maintaining optimal performance.

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The ECU controls the engine's functions, including fuel injection, ignition timing, and emissions.
It gathers data from sensors throughout the engine and makes real-time adjustments to optimize performance.

Also visit my website: ECM Repair

The ECU controls the engine's functions, including fuel injection, ignition timing, and emissions.
It gathers data from sensors throughout the engine and makes real-time adjustments to optimize performance.

Also visit my website: ECM Repair

The ECU controls the engine's functions, including fuel injection, ignition timing, and emissions.
It gathers data from sensors throughout the engine and makes real-time adjustments to optimize performance.

Also visit my website: ECM Repair

The ECU controls the engine's functions, including fuel injection, ignition timing, and emissions.
It gathers data from sensors throughout the engine and makes real-time adjustments to optimize performance.

Also visit my website: ECM Repair