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Multi Port Fuel Injection

Individual injectors for each cylinder are mounted in the intake manifold.

Multi-Fuel Vehicle

A vehicle having a modified engine that runs on more than one fuel, such as LPG and gasoline.

Multi-Leaved Spring

A flat suspension spring having more than one leaf.

Multimedia

The use of computers to present text, graphics, video, activation, and sound in an integrated way.

Multimeter

A multi-range meter used to measure voltage, current, and resistance.

Multiple Disc

A clutch with several driving and driven discs.

Multiple Pass

A term that applies to a recovery/recycle unit that removes refrigerant from an air-conditioning system and circulates it through the recovery/recycle unit to remove.

Multiple-Disc Clutch

1. A clutch that consists of alternating friction and steel discs that are forced together hydraulically to lock one transmission part to another. 2.A clutch having a large drum-shaped housing that can be a separate casting or a part of the transmission housing.

Multiple-leaf Spring

Leaf springs having a series of flat, steel leaves of varying lengths clamped together with a center bolt extending through them to maintain their position.

Multiplex

1. The ability to transmit two or more signals over a single channel simultaneously. 2. The ability to select one of a multiple of input signals to appear at an output during a particular time period.

Multiplexing

A means of transmitting information between computers.

Multistrike Ignition

An idle ignition strategyy where the spark plugs are fired multiple times per TDC event to insure idle ignition.

Muscle Car

A muscle car, by the strictest definition, is an intermediate sized, performance oriented domestic model vehicle, powered by a large V8 engine, offered at an affordable price. Usually from 1958 through 1977 models.

Mutual Induction

The generation of an electric current due to a changing magnetic field of an adjacent coil.

MUX

Abbreviation for Door Module either drivers or passengers side (Chrysler).

MV

Milli-volts.

MVS

Metering valve system.