ECC - Electronic Climate Control
ECD - Electronically Controlled Deceleration
ECI - Extended Compressor at Idle
ECL - Engine Coolant Level
ECM - Electronic Control Module
ECM - Engine Control Module
ECS - Electronic Crash Sensor
ECS - Emission Control System
ECT - Engine Coolant Temperature (Switch, Sensor)
ECU - Electronic Control Unit
EDF - Electric Drive Fan (relay)
EDIS - Electronic Direct Ignition System (replaced with EI)
EDR - Event Data Recorder
EDSR - Electronic Dealer Service (Investigation) Report
EEC - Electronic Engine Control
EEDS - Electric-Electronic Distribution System
EEPROM - Electronically Erasable Programmable Read Only Memeory
EEVIR - Evaporator Equalized Values In Receiver
EFE - Early Fuel Evaporation
EFI - Electronic Fuel Injection
EGC - Electronic Gauge Cluster
EGO - Exhaust Gas Oxygen (replaced with O2S)
EGOG - EGO Ground
EGR - Exhaust Gas Recirculation
EGRC - Exhaust Gas Recirculation Control
EGRT - Exhaust Gas Recirculation Temperature (switch)
EGR TVV - Exhaust Gas Recirculation Thermal Vacuum Valve
EGRV - Exhaust Gas Recirculation Vent
EGTS - Exhaust Gas Temperature Switch (replaced with EGRT)
EHB - Electro-Hydraulic Brake
EHCU - Electronic Hydraulic Control Unit
EHOC - Electrically Heated Oxidation Catalyst
EHPAS - Electric Hydraulic Power Assisted Steering
EHTWC - Electrically Heated Three Way Catalyst
EI - Electronic Ignition (includes Distributorless Ignition System, formerly DIS)
ELC - Electronic Level Control
EM - Energy Management
EM - Engine Modification
EMAS - Engine Management and Analysis System
EMAT - Electro-Mechanical Automatic Transmission
EMB - Electromagnetic Brakes
EMB - Electro-Mechanical Brake
EMCC - Electronically Modulated Converter Clutch
EMF - Electromotive Force (voltage)
EMI - Electromagnetic Interference
EMR - Electronic Module Retard
EMR - Emission Maintenance Reminder
EOP - Engine Oil Pressure
EOT - Engine Oil Temperature
EPA - Environmental Protection Agency
EPC - Electronic Pressure Control
EPHS - Electrically Powered Hydraulic Steering
EPR - Exhaust Pressure Regulator
EPROM - Erasable Programmable Read Only Memory