Glossary “ignition circuit” Definition:
Electrical components and connections that produce and distribute high voltage to ignite the A/F mixture in the combustion chamber.
i
ignition advance
Glossary “ignition advance” Definition:
The moving forward, in time, of the ignition spark relative to the piston position.
IFS
Glossary “IFS” Definition:
Inertia Fuel Shut-off
IGN
Glossary “IGN” Definition:
Ignition
IGN GND
Glossary “IGN GND” Definition:
Ignition Ground
ignitability
Glossary “ignitability” Definition:
Propertry of a liquid with a falsh point below 140¡ãF or a solid that can spontaneously ignite.
ignition
Glossary “ignition” Definition:
The firing of a spark plug to ignite the air/fuel mixture in the combustion.
IDM-EN
Glossary “IDM-EN” Definition:
Injector Driver Module Enabled
IES
Glossary “IES” Definition:
Idle Enrichment System
IESR
Glossary “IESR” Definition:
Ignition Electronic Spark Retard
IFDM
Glossary “IFDM” Definition:
Integrated Fuel Delivery Module
IFI
Glossary “IFI” Definition:
Inline Fuel Injection
IDM
Glossary “IDM” Definition:
Ignition Diagnostic Monitor, or Injection Driver Module
idler arm
Glossary “idler arm” Definition:
Pivoting component that supports the right side of the steering relay rod in much the same manner as the pitman arm supports the left side.
idler eccentric
Glossary “idler eccentric” Definition:
Device used in a belt-drive system using the idler pulley as a means of tightening the belt.
idler gear
Glossary “idler gear” Definition:
1). A gear connecting two other gears in a manner so that they will turn in the same direction. 2). A gear that transmits movement between the drive and the driven gears, but does not affect the speed relationship of those gears.
idler pulley
Glossary “idler pulley” Definition:
A pulley that is used to adjust the belt in a belt-driven system.
idle system
Glossary “idle system” Definition:
The passages of a carburetor though which fuel is fed when the engine is idling.
idle vacuum valve
Glossary “idle vacuum valve” Definition:
This device may be used in conjunction with other vacuum controls to dump thermactor air during extended periods of idle, to protect the catalyst.
idle vent
Glossary “idle vent” Definition:
An opening in an enclosed chamber through which air can pass under idle conditions.