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Automotive Acronyms E

Acronym Definition Notes / What Is / Who Is
EBCM electronic brake control module Controls ABS and TCS
EBTCM electronic brake traction control module Same as EBCM, depending on OEM
EC engine control ECM / PCM / CPU
ECL engine coolant level The amount of antifreeze in the cooling system.
ECM engine control module The brain or CPU of the system
ECT engine coolant temperature A ECM sensor
EEPROM electronically erasable programmable read only memory chip Coded chip located in the ECM
EFC electronic fuel control Various sensors that send signals to the ECM that controls FI
EFE early fuel evaporation Improves cold engine performance by heating intake air with a electric grid.
EFI electronic fuel injection Injects fuel from a throttle body, the same location where a carburetor would be mounted on a intake manifold. The induction mixture passes through the intake runners like a carburetor system.
EGR exhaust gas recirculation Injects air or recirculated exhaust gas back into the exhaust manifold. An emission control.
EGRT EGR temperature Monitors temperature of the EGR valve.
EI electronic ignition Uses solid-state semiconductors to control and apply ignition spark.
EM engine modification Changing engine performance.
EMI electromagnetic interference magnetic flux activity that comes from car stereo systems, alternators, cooling fan motors, etc.
EOS exhaust oxygen sensor O2 sensor
EPA Environmental Protection Agency Monitors the government 1990 Clean Air Act that enacted OBD / OBD 2
EPROM erasable programmable read only memory Coded chip located in the ECM
EUCAR European Council for Automotive Research and Development European body for collaborative automotive and road transport R&D (research and development)
EVAP evaporative emission system Prevents gasoline vapors from the fuel system / gas tank escaping into atmosphere. Makes it a closed system CL.

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Note: An Acronym is a abbreviation that is formed using the individual letter components in a phrase, name, organization or thing. Listings on this page are used throughout the automotive industry.

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