What exactly is an engine control module (ECM)? The short answer is that it is a small computer that manages how your vehicle runs. Unlike powertrain control modules found in older vehicles, an ECM focuses entirely on the engine's operation. Modern engines are amazingly complicated devices. They rely on split-second timing and on-the-fly adjustments
Calvin Barhitte —
I ordered a blown up piston as a gift for my dad and the buying experience was extremely to go through, and the were extremely
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