DICTIONARY OF AUTOMOTIVE TERMS - "Ec"

EC
Acronym for Engine Control
ECA
Acronym for Electronic control assembly
ECC
Acronym for Electronic climate control
Eccentric
  1. Two circles, one within the other, neither sharing the same center, i.e., they are off-center.
  2. A protrusion on a shaft that rubs against or is connected to another part, such as a cam on a Camshaft.
  3. A part transmitting an eccentric drive, such as a disc with a provision for a drive from its outer part, or an eccentric shaft
  4. Off center. A brake drum defect caused by unequal wear, drum distortion, or both
Eccentric bolt
A bolt with centers of head and body on different axis so that one is off-center in relation to the other.
Eccentric drive
A drive from a point not on the axis of the driving shaft, e.g., from the outer part of a disc, so that a reciprocating or up and down motion is transmitted; used in pumps or for a camshaft drive
Eccentric journals
These are used to attach the connecting rods to the crankshaft (also called metal shafts)
Eccentric rotor pump
Rotor-type pump
Eccentric shaft
A shaft transmitting eccentric motion
ECCS
Acronym for electronic concentrated control system
ECE test cycle
A 13 minute, three-part test of automotive emissions for compliance with emission standards, adopted by most European countries, simulating urban driving conditions, i.e., involving relatively long idling periods and speeds below 35 mph, emission characteristics at cruising speeds not being considered
Echelon parking
A British term for Angle parking
ECI
  1. Acronym for electronic control injection
  2. Acronym for electronically controlled injection
  3. Acronym for Extended Compressor at Idle
ECIT
Acronym for electronic control ignition timing
ECL
Acronym for Engine Coolant Level
Eclat
A 2+2 Coupe produced by Lotus from 1975 to 1982. This vehicle was the basis for the current Lotus Excel.
E-clip
E-clip

E-clip

A fastener that is secured to grooves in a shaft.
ECM
  1. Acronym for Electronic Control Module which is the master Computer responsible for interpreting electrical signals sent by engine Sensors and for activating automated engine Components and processes accordingly in order to produce optimum performance.
  2. Acronym for Engine Control Module
Ecological damage
Damage to the environment, usually in the form of pollution, such as that caused by vehicle emissions
Ecologically harmful
Damaging to the environment automotive exhaust gases are ecologically harmful
Ecology
Science of life balance on earth.
Economical
The determination of how much money or fuel is required to cover a particular distance. Good economy involves driving at a steady rate, avoiding rapid starts and stops, driving in the highest possible Gear, avoiding using power- robbing components (e.g., air conditioning), proper tire inflation, etc.
Economizer
A device for making a vehicle use less fuel, either by regulating the flow of fuel, or by admitting extra air to the air/fuel mixture -- especially when cruising
Economizer valve
A fuel flow control device within the Carburetor.
Economy
The ratio between a product or service and its value.
Also see
Economy device
See
Economy gear
High Gear designed for economical cruising often better than 11 ratio like an overdrive.
Economy jet
An additional jet in a carburetor admitting extra air to the air/fuel mixture -- especially when cruising
Economy ratio
An Overdrive Gear ratio better then 11 for economical cruising
ECS
  1. Acronym for electronically controlled suspension.
  2. Acronym for Evaporation control system
  3. Acronym for emission control system
ECT
  1. Acronym for Engine coolant temperature sensor
  2. Acronym for electronically controlled transmission
ECU
Acronym for Electronic Control Unit

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