Automotive Glossary


Automotive Glossary

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I

Idling

Describes an engine running at idle speed (usually 700 to 800 rev/min).

IEC

International electrotechnical commission

IFI

Indirect Fuel Injection

IGBT

The insulated gate bipolar transistor or IGBT is a three-terminal power semiconductor device, noted for high efficiency and fast switching.

IGN

Ignition

Igniter

The part of an air bag unit that sets the inflation process in to action.

Ignition - IGN

Starting of combustion. Setting fire to a flammable substance. In a petrol engine the spark jumping the spark plug electrodes that starts the combustion process.

Ignition Advance

The automatic bringing forward of the ignition spark in relation to the engine speed.

Ignition circuit

The system used to connect components involved in producing a high voltage at the spark plugs.

Ignition Coil

An electrical transformer that increases the battery voltage to a high tension capable of arcing across the gap of spark plug electrodes.


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