Also known as: ecm..
ECM has various meanings in the Automotive category. Discover the full forms, definitions, and usage contexts of ECM in Automotive.
A microprocessor that determines the beginning and end of each injection cycle on every cylinder. The ECM determines both fuel metering and injection timing in response to such parameters as engine crankshaft position and rpm, engine coolant and intake air temperature, and absolute intake air boost pressure.
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