![]() However, the parts eventually wear out from friction and lose their performance. ![]() It’s a critical function as the spark plugs timings are prone to be a little off.ĭiesel truck engines are made of high-quality materials, designed specifically to take a beating and last longer. Fix Ignition Timing: The ECM ensures that sparks plug must fire at the right moment to draw maximum power from the engine.Less engine power is required to maximize fuel efficiency. Adjust Engine Idle Speed: The ECM decreases the amount of fuel injected to reduce the engine’s power when your truck is idle.Air to Fuel Ratio Optimization: The ECM continuously assesses the mixture of air and fuel inside the piston cylinders and maintains an optimum ratio during the combustion process to generate maximum power.Some of the critical tasks of ECM include: It serves as a central computing system that controls every function of your machine. ![]() ![]() It plays a significant role in powering every component of the engine’s subsystem. The ECM’s job is to drive your truck efficiently. What Does an Engine Control Module (ECM) Do? ![]()
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