Glossary “EVAP” Definition:
1). Acronym for evaporator. 2). Acronym for evaporative emission control system. Used to collect fuel vapor from the fuel tank and deliver them to the intake manifold at the proper time.
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EVAP-AAC
Glossary “EVAP-AAC” Definition:
Fuel evaporative system – Auxiliary Air Control
EVAP-BVSV
Glossary “EVAP-BVSV” Definition:
Fuel evaporative system – Bimetal Vacuum Switching Valve
EV
Glossary “EV” Definition:
Electric Vehicle
EVA
Glossary “EVA” Definition:
Electronic Vibration Analyzer
evacuate
Glossary “evacuate” Definition:
1). To create a vacuum within a system to remove all traces of air and moisture. 2). Service procedure using a vacuum pump to remove all atmospheric air and moisture from inside an A/C system.
ETS
Glossary “ETS” Definition:
Engine Temperature Sensor
ETSA
Glossary “ETSA” Definition:
Engine Timing Sensor Assembly
ETV
Glossary “ETV” Definition:
Electronic Throttle Valve
ETR
Glossary “ETR” Definition:
Emergency Tensioning Retractor
ethanol
Glossary “ethanol” Definition:
Form of alcohol, used as an additive in gasoline to produce gasohol and is used as a oxygenate in reformulated gasoline. Used as an octane enhancer, 10 % added to gasoline will increase octane 2.5 to 3.0 numbers.
ethyl
Glossary “ethyl” Definition:
Trade name for tetraethyl lead, a fuel additive no longer permitted due to environmental hazards.
ethyl alcohol
Glossary “ethyl alcohol” Definition:
A term often used for ethanol.
ethyl tertiary butyl ether
Glossary “ethyl tertiary butyl ether” Definition:
Octane enhancer for gasoline. It is also a fuel oxygenate that is manufactured by reacting isobutylene with ethanol, which results in high octane and low volatility. ETBE can be added to gasoline up to a level of approximately 13%.
ethylene glycol
Glossary “ethylene glycol” Definition:
Basic chemical used in automotive antifreeze; mixed with water for cooling-system protection and to increase the boiling point of the coolant.
Ethylene Glycol Antifreeze
Glossary “Ethylene Glycol Antifreeze” Definition:
Ethylene Glycol based antifreeze (green) that has been the standard antifreeze for automotive use.
etch
Glossary “etch” Definition:
Process of chemically roughing a metal or glass surface.
etching
Glossary “etching” Definition:
Localized attack of metal surfaces causing pitting and/or deterioration.
ETCIL
Glossary “ETCIL” Definition:
Electronic Throttle Control Indicator Lamp
ETBE
Glossary “ETBE” Definition:
Ethyl Tertiary Butyl Ether