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Automotive Acronyms I

Acronym Definition Notes / What Is / Who Is
IA intake air Air flowing to the intake manifold.
IAC idle air control Spring loaded plunger solenoid that adjust the engine idle RPM by opening and closing an air bypass passage on the side of the throttle body assembly.
IAT intake air temperature Sensor
IAEE International Association of Exhibitions and Events Organized in 1928 as the National Association of Exposition Managers to represent the interests of tradeshow and exposition managers.
IBMA Independent Battery Manufacturers Association Trade association of US and overseas lead-acid battery manufacturers and suppliers.
IC integrated circuit Electronic control circuit or chip, group of semiconductors.
ICM ignition control module Controls spark timing and flow to the coils.
ID inside diameter Measurement of a circle.
IFI indirect fuel injection Fuel injection that is not directly injected into the piston combustion chamber.
IFS inertia fuel shutoff Shuts the fuel pump off when there is a accident or impact of the vehicle.
IGN ignition System of spark plugs, ECM, coils, modules and distributors.
IHRA International Hot Rod Association Major sanctioning body in drag racing. Current schedule, points standings, tickets and merchandise and television schedules.
IP instrument panel *
IPC instrument panel cluster Section of the instrument panel that houses the driver's gauges.
IRL Indy Racing League IndyCar Series schedules, news, drivers, stats and teams.
ISO International Standards Organization Network of the national standards institutes of 163 countries, one member per country, with a Central Secretariat in Geneva, Switzerland, that coordinates the system.
ISC idle speed control Spring loaded plunger solenoid that adjust the engine idle RPM by opening and closing an air bypass passage on the side of the throttle body assembly.

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Note: An Acronym is a abbreviation that is formed using the individual letter components in a phrase, name, organization or thing. Listings on this page are used throughout the automotive industry.

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