Motorcraft Home Technical Resources Home Non-Subscription Resources What's New Body Repair Manuals Diagnostic Tool Support OBDII Theory & Operation Paper/CD Manuals Quick Guides Tools & Equipment Membership Accounts My Shopping Cart Subscription Products Keycode Lookup Reprogramming & Initialization Service Publications Technical Service Bulletins Technical Training Purchase Subscription Ford Specific Acronyms # A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  0-9  (Indexed by Abbreviation) Acronyms Description E-85 Fuel containing 85% ethanol alcohol. EAIR Electric Secondary Air Injection. A pump-driven system for providing secondary air using an electric air pump. EAIRM Electric Air Pump Monitor ECT Engine Coolant Temperature. Displayed in either Celsius or Fahrenheit. ECTV Engine Coolant Temperature Voltage ECU Electronic Control Unit. A module that handles the control strategy and monitors system inputs or outputs. EEC Electronic Engine Control EEC-V Fifth-generation EEC system. EFTA Engine Fuel Temperature A (bank 1) EFTAV Engine Fuel Temperature A Voltage EFTB Engine Fuel Temperature B (bank 2) EFTBV Engine Fuel Temperature B Voltage EGR Exhaust Gas Recirculation. A process in which a small amount of exhaust gas is routed into the combustion chamber. EGR EVAL Exhaust Gas Recirculation System Evaluated. EGR EVAL will display YES when the monitor is complete. EGRMC (1-4) Electric Exhaust Gas Recirculation Motor Control EGRMDSD Electric Exhaust Gas Recirculation Motor Desired position. The PID name used to operate the EEGR valve. EGRT Exhaust Gas Recirculation Valve Temperature. A temperature sensor that is threaded into the bottom of the intake plenum. EGRVR Exhaust Gas Recirculation Vacuum Regulator. A solenoid which controls vacuum to the EGR valve by varying the duty cycle signal from the PCM. EGRVRA Exhaust Gas Recirculation Vacuum Regulator Actual (volt). The actual state of the commanded output. EGRVRF Exhaust Gas Recirculation Vacuum Regulator Fault. Represents whether a fault exists in the EGRV circuit. EI Integrated Electronic Ignition. An electronic ignition system that has the ignition control module (ICM) integrated into the PCM. EI-HDR Electronic Ignition-High Data Rate. Formerly known as Electronic Distributorless Ignition System. EI-LDR Electronic Ignition-Low Data Rate. Formerly known as Distributorless Ignition System. Electric VMV Electric Vapor Management Valve also known as the EVAP canister purge valve. EMI Electromagnetic Interference. Usually caused by ignition voltage spikes, solenoids, relay operation, or noisy generator contacts. EOL End of Line. A system designed specifically for use at assembly plants to make sure all new vehicles conform to design specifications. EOT Engine Oil Temperature EPA Environmental Protection Agency (United States Government) EPC, EPC1, EPC2 Electronic Pressure Control EPCV Electronic Pressure Control Volts EPROM Erasable Programmable Read-Only Memory. An electronic component in the PCM that allows the electronic storage of information. ESM EGR System Module ESOF Electronic Shift-on-the-Fly ESS Electronic Shift Scheduling ETB Electronic Throttle Body ETC Electronic Throttle Control ETCIL Electronic Throttle Control Indicator Lamp ETCVREF Voltage Reference (5V) for ETC (APP VREF, TP VREF). EVAP Evaporative Emissions. A system to prevent fuel vapor from escaping into the atmosphere. EVAPCP Evaporative Canister Purge Solenoid. A solenoid which controls the venting of fuel vapor from the evaporative emissions canister into the intake manifold for combustion. EVAPCPF Evaporative Canister Purge Solenoid Fault. Identifies whether an electrical fault exists for the current commanded state. EVAPCV Evaporative Canister Vent Solenoid. A solenoid which seals the EVAP system from the atmosphere during the EVAP monitor test. Evaporative Emission An evaporative emission canister containing activated charcoal which absorbs and holds fuel vapors. EVAPPDC Evaporative Canister Purge Duty Cycle. The duty cycle commanded to the EVAP canister purge solenoid by the PCM. EVO Electronic Variable Orifice EWP Electric Water Pump Exciter Ring A toothed or notched iron or steel disk.

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